25368590040 has 32 divisors (see below), whose sum is σ = 76105770480. Its totient is φ = 6764957312.

The previous prime is 25368590033. The next prime is 25368590057. The reversal of 25368590040 is 4009586352.

It is a junction number, because it is equal to n+sod(n) for n = 25368589974 and 25368590001.

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 7 ways as a sum of consecutive naturals, for example, 105702339 + ... + 105702578.

Almost surely, 2^25368590040 is an apocalyptic number.

25368590040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25368590040 is an abundant number, since it is smaller than the sum of its proper divisors (50737180440).

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

25368590040 is a wasteful number, since it uses less digits than its factorization.

25368590040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211404931 (or 211404927 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 25368590040 in words is "twenty-five billion, three hundred sixty-eight million, five hundred ninety thousand, forty".