25460404500 has 48 divisors (see below), whose sum is σ = 74140702272. Its totient is φ = 6789440800.

The previous prime is 25460404499. The next prime is 25460404511. The reversal of 25460404500 is 540406452.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 8485302 + ... + 8488301.

It is an arithmetic number, because the mean of its divisors is an integer number (1544597964).

Almost surely, 2^25460404500 is an apocalyptic number.

25460404500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25460404500 is an abundant number, since it is smaller than the sum of its proper divisors (48680297772).

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

25460404500 is a wasteful number, since it uses less digits than its factorization.

25460404500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16973625 (or 16973613 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 25460404500 in words is "twenty-five billion, four hundred sixty million, four hundred four thousand, five hundred".