25405323250032 has 120 divisors (see below), whose sum is σ = 78083781001200. Its totient is φ = 7646914391040.

The previous prime is 25405323250003. The next prime is 25405323250051. The reversal of 25405323250032 is 23005232350452.

25405323250032 is a `hidden beast` number, since 2 + 5 + 40 + 53 + 2 + 32 + 500 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53585173 + ... + 54057204.

It is an arithmetic number, because the mean of its divisors is an integer number (650698175010).

Almost surely, 2^{25405323250032} is an apocalyptic number.

25405323250032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25405323250032 is an abundant number, since it is smaller than the sum of its proper divisors (52678457751168).

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

25405323250032 is a wasteful number, since it uses less digits than its factorization.

25405323250032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107642551 (or 107642542 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

The spelling of 25405323250032 in words is "twenty-five trillion, four hundred five billion, three hundred twenty-three million, two hundred fifty thousand, thirty-two".