25412648620 has 24 divisors (see below), whose sum is σ = 53383327200. Its totient is φ = 10161866112.

The previous prime is 25412648609. The next prime is 25412648707. The reversal of 25412648620 is 2684621452.

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, 133800 + ... + 262159.

It is an arithmetic number, because the mean of its divisors is an integer number (2224305300).

Almost surely, 2^25412648620 is an apocalyptic number.

25412648620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25412648620 is an abundant number, since it is smaller than the sum of its proper divisors (27970678580).

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

25412648620 is a wasteful number, since it uses less digits than its factorization.

25412648620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399177 (or 399175 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 25412648620 in words is "twenty-five billion, four hundred twelve million, six hundred forty-eight thousand, six hundred twenty".