25976481904 has 10 divisors (see below), whose sum is σ = 50329433720. Its totient is φ = 12988240944.

The previous prime is 25976481877. The next prime is 25976481941. The reversal of 25976481904 is 40918467952.

It is a super-2 number, since 2×25976481904² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811765044 + ... + 811765075.

It is an arithmetic number, because the mean of its divisors is an integer number (5032943372).

Almost surely, 2^25976481904 is an apocalyptic number.

It is an amenable number.

25976481904 is a deficient number, since it is larger than the sum of its proper divisors (24352951816).

25976481904 is a wasteful number, since it uses less digits than its factorization.

25976481904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623530127 (or 1623530121 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 25976481904 in words is "twenty-five billion, nine hundred seventy-six million, four hundred eighty-one thousand, nine hundred four".