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42220024040 = 23510129633527
BaseRepresentation
bin100111010100100000…
…100111000011101000
311000222101102102222002
4213110200213003220
51142431311232130
631221241350132
73023152166045
oct472440470350
9130871372862
1042220024040
11169a6114a57
128223498348
133c9aca525c
14208737c1cc
15117185bb45
hex9d48270e8

42220024040 has 64 divisors (see below), whose sum is σ = 95995186560. Its totient is φ = 16710419200.

The previous prime is 42220024019. The next prime is 42220024073. The reversal of 42220024040 is 4042002224.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11968757 + ... + 11972283.

It is an arithmetic number, because the mean of its divisors is an integer number (1499924790).

Almost surely, 242220024040 is an apocalyptic number.

42220024040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42220024040 is an abundant number, since it is smaller than the sum of its proper divisors (53775162520).

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

42220024040 is a wasteful number, since it uses less digits than its factorization.

42220024040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6602 (or 6598 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 42220024040 its reverse (4042002224), we get a palindrome (46262026264).

The spelling of 42220024040 in words is "forty-two billion, two hundred twenty million, twenty-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 101 202 404 505 808 1010 2020 2963 3527 4040 5926 7054 11852 14108 14815 17635 23704 28216 29630 35270 59260 70540 118520 141080 299263 356227 598526 712454 1197052 1424908 1496315 1781135 2394104 2849816 2992630 3562270 5985260 7124540 10450501 11970520 14249080 20901002 41802004 52252505 83604008 104505010 209010020 418020040 1055500601 2111001202 4222002404 5277503005 8444004808 10555006010 21110012020 42220024040