25790561404 has 6 divisors (see below), whose sum is σ = 45133482464. Its totient is φ = 12895280700.

The previous prime is 25790561359. The next prime is 25790561413. The reversal of 25790561404 is 40416509752.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3223820172 + ... + 3223820179.

Almost surely, 2^25790561404 is an apocalyptic number.

It is an amenable number.

25790561404 is a deficient number, since it is larger than the sum of its proper divisors (19342921060).

25790561404 is a wasteful number, since it uses less digits than its factorization.

25790561404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6447640355 (or 6447640353 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 25790561404 in words is "twenty-five billion, seven hundred ninety million, five hundred sixty-one thousand, four hundred four".