25044412572 has 48 divisors (see below), whose sum is σ = 64941381120. Its totient is φ = 8346668976.

The previous prime is 25044412541. The next prime is 25044412619. The reversal of 25044412572 is 27521444052.

25044412572 is a `hidden beast` number, since 2 + 5 + 0 + 44 + 41 + 2 + 572 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 in 15 ways as a sum of consecutive naturals, for example, 720333 + ... + 754299.

It is an arithmetic number, because the mean of its divisors is an integer number (1352945440).

Almost surely, 2^25044412572 is an apocalyptic number.

It is an amenable number.

25044412572 is an abundant number, since it is smaller than the sum of its proper divisors (39896968548).

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

25044412572 is a wasteful number, since it uses less digits than its factorization.

25044412572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40807 (or 40799 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 36.

The spelling of 25044412572 in words is "twenty-five billion, forty-four million, four hundred twelve thousand, five hundred seventy-two".