25140884436 has 96 divisors (see below), whose sum is σ = 71593804800. Its totient is φ = 7594028640.

The previous prime is 25140884429. The next prime is 25140884449. The reversal of 25140884436 is 63448804152.

It is a junction number, because it is equal to n+sod(n) for n = 25140884391 and 25140884400.

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 31 ways as a sum of consecutive naturals, for example, 219150 + ... + 313541.

It is an arithmetic number, because the mean of its divisors is an integer number (745768800).

Almost surely, 2^25140884436 is an apocalyptic number.

It is an amenable number.

25140884436 is an abundant number, since it is smaller than the sum of its proper divisors (46452920364).

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

25140884436 is a wasteful number, since it uses less digits than its factorization.

25140884436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532746 (or 532738 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 25140884436 in words is "twenty-five billion, one hundred forty million, eight hundred eighty-four thousand, four hundred thirty-six".