25494037000 has 32 divisors (see below), whose sum is σ = 59656048920. Its totient is φ = 10197614400.

The previous prime is 25494036989. The next prime is 25494037033. The reversal of 25494037000 is 73049452.

It can be written as a sum of positive squares in 4 ways, for example, as 15337831716 + 10156205284 = 123846^2 + 100778^2 .

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, 12746019 + ... + 12748018.

Almost surely, 2^25494037000 is an apocalyptic number.

25494037000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25494037000 is an abundant number, since it is smaller than the sum of its proper divisors (34162011920).

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

25494037000 is a wasteful number, since it uses less digits than its factorization.

25494037000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25494058 (or 25494044 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 25494037000 in words is "twenty-five billion, four hundred ninety-four million, thirty-seven thousand".