259321426392 has 80 divisors (see below), whose sum is σ = 756309326040. Its totient is φ = 74091819648.

The previous prime is 259321426387. The next prime is 259321426423. The reversal of 259321426392 is 293624123952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2192493 + ... + 2307740.

Almost surely, 2^259321426392 is an apocalyptic number.

It is an amenable number.

259321426392 is an abundant number, since it is smaller than the sum of its proper divisors (496987899648).

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

259321426392 is an equidigital number, since it uses as much as digits as its factorization.

259321426392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500270 (or 4500245 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 48.

The spelling of 259321426392 in words is "two hundred fifty-nine billion, three hundred twenty-one million, four hundred twenty-six thousand, three hundred ninety-two".