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24444042400040 = 2354997871222723
BaseRepresentation
bin1011000111011010100100…
…11101101101000100101000
310012112211100100021022110012
411203231102131231010220
511200442344323300130
6123553234341511052
75102011105115504
oct543552235550450
9105484310238405
1024444042400040
11787472975301a
1228a9504412488
1310840a9118833
14607152b5b304
152c5ca406e995
hex163b5276d128

24444042400040 has 32 divisors (see below), whose sum is σ = 54999250426080. Its totient is φ = 9777589399872.

The previous prime is 24444042400039. The next prime is 24444042400067. The reversal of 24444042400040 is 4000424044442.

It is a super-2 number, since 2×244440424000402 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19380119 + ... + 20602841.

It is an arithmetic number, because the mean of its divisors is an integer number (1718726575815).

Almost surely, 224444042400040 is an apocalyptic number.

24444042400040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24444042400040 is an abundant number, since it is smaller than the sum of its proper divisors (30555208026040).

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

24444042400040 is a wasteful number, since it uses less digits than its factorization.

24444042400040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722521 (or 1722517 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 24444042400040 its reverse (4000424044442), we get a palindrome (28444466444482).

The spelling of 24444042400040 in words is "twenty-four trillion, four hundred forty-four billion, forty-two million, four hundred thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 499787 999574 1222723 1999148 2445446 2498935 3998296 4890892 4997870 6113615 9781784 9995740 12227230 19991480 24454460 48908920 611101060001 1222202120002 2444404240004 3055505300005 4888808480008 6111010600010 12222021200020 24444042400040