25410630064 has 20 divisors (see below), whose sum is σ = 50821261120. Its totient is φ = 12295465920.

The previous prime is 25410630061. The next prime is 25410630071. The reversal of 25410630064 is 46003601452.

25410630064 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (25410630061) by changing a digit.

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, 25615059 + ... + 25616050.

It is an arithmetic number, because the mean of its divisors is an integer number (2541063056).

Almost surely, 2^25410630064 is an apocalyptic number.

It is an amenable number.

25410630064 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25410630064 is a wasteful number, since it uses less digits than its factorization.

25410630064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51231148 (or 51231142 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 25410630064 in words is "twenty-five billion, four hundred ten million, six hundred thirty thousand, sixty-four".