25552754994 has 32 divisors (see below), whose sum is σ = 55699809984. Its totient is φ = 7767656640.

The previous prime is 25552754977. The next prime is 25552755013. The reversal of 25552754994 is 49945725552.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1967017 + ... + 1979964.

It is an arithmetic number, because the mean of its divisors is an integer number (1740619062).

Almost surely, 2^25552754994 is an apocalyptic number.

25552754994 is an abundant number, since it is smaller than the sum of its proper divisors (30147054990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25552754994 is a wasteful number, since it uses less digits than its factorization.

25552754994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947082.

The product of its digits is 22680000, while the sum is 57.

The spelling of 25552754994 in words is "twenty-five billion, five hundred fifty-two million, seven hundred fifty-four thousand, nine hundred ninety-four".