25392053680 has 40 divisors (see below), whose sum is σ = 67470315552. Its totient is φ = 8705846784.

The previous prime is 25392053651. The next prime is 25392053683. The reversal of 25392053680 is 8635029352.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (25392053683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22670917 + ... + 22672036.

Almost surely, 2^25392053680 is an apocalyptic number.

25392053680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25392053680 is an abundant number, since it is smaller than the sum of its proper divisors (42078261872).

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

25392053680 is a wasteful number, since it uses less digits than its factorization.

25392053680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45342973 (or 45342967 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 25392053680 in words is "twenty-five billion, three hundred ninety-two million, fifty-three thousand, six hundred eighty".