25455540104 has 32 divisors (see below), whose sum is σ = 50748249600. Its totient is φ = 11928940800.

The previous prime is 25455540091. The next prime is 25455540137. The reversal of 25455540104 is 40104555452.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359072 + ... + 424079.

It is an arithmetic number, because the mean of its divisors is an integer number (1585882800).

Almost surely, 2^25455540104 is an apocalyptic number.

It is an amenable number.

25455540104 is a deficient number, since it is larger than the sum of its proper divisors (25292709496).

25455540104 is a wasteful number, since it uses less digits than its factorization.

25455540104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783413 (or 783409 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 25455540104 in words is "twenty-five billion, four hundred fifty-five million, five hundred forty thousand, one hundred four".