259425538620 has 48 divisors (see below), whose sum is σ = 728449333920. Its totient is φ = 68984160256.

The previous prime is 259425538579. The next prime is 259425538639. The reversal of 259425538620 is 26835524952.

It is a happy number.

It is a super-2 number, since 2×259425538620² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 6103125 + ... + 6145484.

It is an arithmetic number, because the mean of its divisors is an integer number (15176027790).

Almost surely, 2^259425538620 is an apocalyptic number.

259425538620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259425538620 is an abundant number, since it is smaller than the sum of its proper divisors (469023795300).

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

259425538620 is a wasteful number, since it uses less digits than its factorization.

259425538620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12248974 (or 12248972 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 51.

The spelling of 259425538620 in words is "two hundred fifty-nine billion, four hundred twenty-five million, five hundred thirty-eight thousand, six hundred twenty".