25400334004 has 12 divisors (see below), whose sum is σ = 46383218784. Its totient is φ = 12147985784.

The previous prime is 25400333927. The next prime is 25400334031. The reversal of 25400334004 is 40043300452.

It is a self number, because there is not a number n which added to its sum of digits gives 25400334004.

It is a congruent number.

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, 138045202 + ... + 138045385.

It is an arithmetic number, because the mean of its divisors is an integer number (3865268232).

Almost surely, 2^25400334004 is an apocalyptic number.

It is an amenable number.

25400334004 is a deficient number, since it is larger than the sum of its proper divisors (20982884780).

25400334004 is a wasteful number, since it uses less digits than its factorization.

25400334004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276090614 (or 276090612 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 25400334004 its reverse (40043300452), we get a palindrome (65443634456).

The spelling of 25400334004 in words is "twenty-five billion, four hundred million, three hundred thirty-four thousand, four".