25655654360 has 64 divisors (see below), whose sum is σ = 66875457600. Its totient is φ = 8675721216.

The previous prime is 25655654309. The next prime is 25655654377. The reversal of 25655654360 is 6345655652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607145 + ... + 648024.

It is an arithmetic number, because the mean of its divisors is an integer number (1044929025).

Almost surely, 2^25655654360 is an apocalyptic number.

25655654360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25655654360 is an abundant number, since it is smaller than the sum of its proper divisors (41219803240).

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

25655654360 is a wasteful number, since it uses less digits than its factorization.

25655654360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255260 (or 1255256 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 47.

The spelling of 25655654360 in words is "twenty-five billion, six hundred fifty-five million, six hundred fifty-four thousand, three hundred sixty".