25255570792 has 32 divisors (see below), whose sum is σ = 51454483200. Its totient is φ = 11577254400.

The previous prime is 25255570783. The next prime is 25255570793. The reversal of 25255570792 is 29707555252.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25255570793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2675209 + ... + 2684632.

It is an arithmetic number, because the mean of its divisors is an integer number (1607952600).

Almost surely, 2^25255570792 is an apocalyptic number.

It is an amenable number.

25255570792 is an abundant number, since it is smaller than the sum of its proper divisors (26198912408).

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

25255570792 is a wasteful number, since it uses less digits than its factorization.

25255570792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5359897 (or 5359893 counting only the distinct ones).

The product of its (nonzero) digits is 2205000, while the sum is 49.

The spelling of 25255570792 in words is "twenty-five billion, two hundred fifty-five million, five hundred seventy thousand, seven hundred ninety-two".