25245553044 has 48 divisors (see below), whose sum is σ = 62382737088. Its totient is φ = 7918729728.

The previous prime is 25245553037. The next prime is 25245553063. The reversal of 25245553044 is 44035554252.

It is a junction number, because it is equal to n+sod(n) for n = 25245552993 and 25245553011.

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 in 15 ways as a sum of consecutive naturals, for example, 1913679 + ... + 1926825.

It is an arithmetic number, because the mean of its divisors is an integer number (1299640356).

Almost surely, 2^25245553044 is an apocalyptic number.

It is an amenable number.

25245553044 is an abundant number, since it is smaller than the sum of its proper divisors (37137184044).

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

25245553044 is a wasteful number, since it uses less digits than its factorization.

25245553044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22584 (or 22582 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 39.

The spelling of 25245553044 in words is "twenty-five billion, two hundred forty-five million, five hundred fifty-three thousand, forty-four".