25964980484 has 12 divisors (see below), whose sum is σ = 45441823644. Its totient is φ = 12981602304.

The previous prime is 25964980477. The next prime is 25964980493. The reversal of 25964980484 is 48408946952.

It can be written as a sum of positive squares in 2 ways, for example, as 15099002884 + 10865977600 = 122878^2 + 104240^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153869 + ... + 274964.

It is an arithmetic number, because the mean of its divisors is an integer number (3786818637).

Almost surely, 2^25964980484 is an apocalyptic number.

It is an amenable number.

25964980484 is a deficient number, since it is larger than the sum of its proper divisors (19476843160).

25964980484 is a wasteful number, since it uses less digits than its factorization.

25964980484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443974 (or 443972 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 59.

The spelling of 25964980484 in words is "twenty-five billion, nine hundred sixty-four million, nine hundred eighty thousand, four hundred eighty-four".