25758026252 has 24 divisors (see below), whose sum is σ = 51803861760. Its totient is φ = 10977480720.

The previous prime is 25758026249. The next prime is 25758026279. The reversal of 25758026252 is 25262085752.

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, 2564624 + ... + 2574647.

It is an arithmetic number, because the mean of its divisors is an integer number (2158494240).

Almost surely, 2^25758026252 is an apocalyptic number.

It is an amenable number.

25758026252 is an abundant number, since it is smaller than the sum of its proper divisors (26045835508).

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

25758026252 is a wasteful number, since it uses less digits than its factorization.

25758026252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5139461 (or 5139459 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 44.

The spelling of 25758026252 in words is "twenty-five billion, seven hundred fifty-eight million, twenty-six thousand, two hundred fifty-two".