25952500392 has 512 divisors, whose sum is σ = 85929984000. Its totient is φ = 6350192640.

The previous prime is 25952500351. The next prime is 25952500421. The reversal of 25952500392 is 29300525952.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 291601084 + ... + 291601172.

It is an arithmetic number, because the mean of its divisors is an integer number (167832000).

Almost surely, 2^25952500392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25952500392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42964992000).

25952500392 is an abundant number, since it is smaller than the sum of its proper divisors (59977483608).

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

25952500392 is a wasteful number, since it uses less digits than its factorization.

25952500392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 42.

The spelling of 25952500392 in words is "twenty-five billion, nine hundred fifty-two million, five hundred thousand, three hundred ninety-two".