25216930000 has 50 divisors (see below), whose sum is σ = 61052733434. Its totient is φ = 10086768000.

The previous prime is 25216929949. The next prime is 25216930021. The reversal of 25216930000 is 3961252.

It can be written as a sum of positive squares in 5 ways, for example, as 7413898816 + 17803031184 = 86104^2 + 133428^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1250847 + ... + 1270846.

Almost surely, 2^25216930000 is an apocalyptic number.

25216930000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25216930000 is an abundant number, since it is smaller than the sum of its proper divisors (35835803434).

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

25216930000 is an equidigital number, since it uses as much as digits as its factorization.

25216930000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521721 (or 2521700 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The spelling of 25216930000 in words is "twenty-five billion, two hundred sixteen million, nine hundred thirty thousand".