25270973472 has 24 divisors (see below), whose sum is σ = 66336305616. Its totient is φ = 8423657792.

The previous prime is 25270973449. The next prime is 25270973477. The reversal of 25270973472 is 27437907252.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (25270973477) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 131619558 + ... + 131619749.

It is an arithmetic number, because the mean of its divisors is an integer number (2764012734).

Almost surely, 2^25270973472 is an apocalyptic number.

It is an amenable number.

25270973472 is an abundant number, since it is smaller than the sum of its proper divisors (41065332144).

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

25270973472 is a wasteful number, since it uses less digits than its factorization.

25270973472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263239320 (or 263239312 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 48.

The spelling of 25270973472 in words is "twenty-five billion, two hundred seventy million, nine hundred seventy-three thousand, four hundred seventy-two".