25314630544 has 40 divisors (see below), whose sum is σ = 59004031040. Its totient is φ = 10278119808.

The previous prime is 25314630541. The next prime is 25314630559. The reversal of 25314630544 is 44503641352.

It is not an unprimeable number, because it can be changed into a prime (25314630541) 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 7 ways as a sum of consecutive naturals, for example, 5945859 + ... + 5950114.

It is an arithmetic number, because the mean of its divisors is an integer number (1475100776).

Almost surely, 2^25314630544 is an apocalyptic number.

It is an amenable number.

25314630544 is an abundant number, since it is smaller than the sum of its proper divisors (33689400496).

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

25314630544 is a wasteful number, since it uses less digits than its factorization.

25314630544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11896007 (or 11896001 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 25314630544 in words is "twenty-five billion, three hundred fourteen million, six hundred thirty thousand, five hundred forty-four".