259426931456 has 576 divisors, whose sum is σ = 708816030720. Its totient is φ = 91729428480.

The previous prime is 259426931447. The next prime is 259426931459. The reversal of 259426931456 is 654139624952.

It is a super-2 number, since 2×259426931456² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (259426931459) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1344180896 + ... + 1344181088.

Almost surely, 2^259426931456 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 259426931456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354408015360).

259426931456 is an abundant number, since it is smaller than the sum of its proper divisors (449389099264).

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

259426931456 is a wasteful number, since it uses less digits than its factorization.

259426931456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 366 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 56.

The spelling of 259426931456 in words is "two hundred fifty-nine billion, four hundred twenty-six million, nine hundred thirty-one thousand, four hundred fifty-six".