25676563940 has 24 divisors (see below), whose sum is σ = 53962094592. Its totient is φ = 10262756960.

The previous prime is 25676563933. The next prime is 25676563951. The reversal of 25676563940 is 4936567652.

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 7 ways as a sum of consecutive naturals, for example, 464996 + ... + 517275.

It is an arithmetic number, because the mean of its divisors is an integer number (2248420608).

Almost surely, 2^25676563940 is an apocalyptic number.

25676563940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25676563940 is an abundant number, since it is smaller than the sum of its proper divisors (28285530652).

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

25676563940 is a wasteful number, since it uses less digits than its factorization.

25676563940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983587 (or 983585 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 53.

The spelling of 25676563940 in words is "twenty-five billion, six hundred seventy-six million, five hundred sixty-three thousand, nine hundred forty".