25672447570 has 128 divisors (see below), whose sum is σ = 60482764800. Its totient is φ = 7612012800.

The previous prime is 25672447543. The next prime is 25672447571. The reversal of 25672447570 is 7574427652.

It is not an unprimeable number, because it can be changed into a prime (25672447571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1399216 + ... + 1417444.

It is an arithmetic number, because the mean of its divisors is an integer number (472521600).

Almost surely, 2^25672447570 is an apocalyptic number.

25672447570 is an abundant number, since it is smaller than the sum of its proper divisors (34810317230).

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

25672447570 is a wasteful number, since it uses less digits than its factorization.

25672447570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18344.

The product of its (nonzero) digits is 3292800, while the sum is 49.

The spelling of 25672447570 in words is "twenty-five billion, six hundred seventy-two million, four hundred forty-seven thousand, five hundred seventy".