25414220464 has 20 divisors (see below), whose sum is σ = 49423109040. Its totient is φ = 12659869760.

The previous prime is 25414220459. The next prime is 25414220497. The reversal of 25414220464 is 46402241452.

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 3 ways as a sum of consecutive naturals, for example, 2948092 + ... + 2956699.

It is an arithmetic number, because the mean of its divisors is an integer number (2471155452).

Almost surely, 2^25414220464 is an apocalyptic number.

It is an amenable number.

25414220464 is a deficient number, since it is larger than the sum of its proper divisors (24008888576).

25414220464 is a wasteful number, since it uses less digits than its factorization.

25414220464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5905068 (or 5905062 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

The spelling of 25414220464 in words is "twenty-five billion, four hundred fourteen million, two hundred twenty thousand, four hundred sixty-four".