10259765520 has 80 divisors (see below), whose sum is σ = 32664903360. Its totient is φ = 2661990912.

The previous prime is 10259765473. The next prime is 10259765573. The reversal of 10259765520 is 2556795201.

It is a tau number, because it is divible by the number of its divisors (80).

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, 568810 + ... + 586569.

It is an arithmetic number, because the mean of its divisors is an integer number (408311292).

Almost surely, 2^10259765520 is an apocalyptic number.

10259765520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10259765520 is an abundant number, since it is smaller than the sum of its proper divisors (22405137840).

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

10259765520 is a wasteful number, since it uses less digits than its factorization.

10259765520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155432 (or 1155426 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 42.

The spelling of 10259765520 in words is "ten billion, two hundred fifty-nine million, seven hundred sixty-five thousand, five hundred twenty".