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424422004420 = 225172277697151
BaseRepresentation
bin1100010110100011000…
…01011101011011000100
31111120111200212201221001
412023101201131123010
523423204013120140
6522550552303044
742443400341041
oct6132141353304
91446450781831
10424422004420
11153aa617a827
126a30a0a1a84
133103b1b182b
14167838901c8
15b090997e9a
hex62d185d6c4

424422004420 has 96 divisors (see below), whose sum is σ = 949237470720. Its totient is φ = 158849433600.

The previous prime is 424422004417. The next prime is 424422004429. The reversal of 424422004420 is 24400224424.

It is not an unprimeable number, because it can be changed into a prime (424422004429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59347845 + ... + 59354995.

It is an arithmetic number, because the mean of its divisors is an integer number (9887890320).

Almost surely, 2424422004420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424422004420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474618735360).

424422004420 is an abundant number, since it is smaller than the sum of its proper divisors (524815466300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

424422004420 is a wasteful number, since it uses less digits than its factorization.

424422004420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8173 (or 8171 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 424422004420 its reverse (24400224424), we get a palindrome (448822228844).

The spelling of 424422004420 in words is "four hundred twenty-four billion, four hundred twenty-two million, four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 227 340 454 769 908 1135 1538 2270 3076 3845 3859 4540 7151 7690 7718 13073 14302 15380 15436 19295 26146 28604 35755 38590 52292 65365 71510 77180 121567 130730 143020 174563 243134 261460 349126 486268 607835 698252 872815 1215670 1623277 1745630 2431340 2967571 3246554 3491260 5499119 5935142 6493108 8116385 10998238 11870284 14837855 16232770 21996476 27495595 27595709 29675710 32465540 54991190 55191418 59351420 93485023 109982380 110382836 137978545 186970046 275957090 373940092 467425115 551914180 934850230 1248300013 1869700460 2496600026 4993200052 6241500065 12483000130 21221100221 24966000260 42442200442 84884400884 106105501105 212211002210 424422004420