25122042340452 has 72 divisors (see below), whose sum is σ = 63783604684800. Its totient is φ = 8337019880448.

The previous prime is 25122042340403. The next prime is 25122042340477. The reversal of 25122042340452 is 25404324022152.

25122042340452 is a `hidden beast` number, since 2 + 5 + 1 + 220 + 4 + 23 + 404 + 5 + 2 = 666.

It is a super-2 number, since 2×25122042340452² (a number of 28 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36562173 + ... + 37242939.

It is an arithmetic number, because the mean of its divisors is an integer number (885883398400).

Almost surely, 2^{25122042340452} is an apocalyptic number.

It is an amenable number.

25122042340452 is an abundant number, since it is smaller than the sum of its proper divisors (38661562344348).

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

25122042340452 is a wasteful number, since it uses less digits than its factorization.

25122042340452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685305 (or 685300 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

The spelling of 25122042340452 in words is "twenty-five trillion, one hundred twenty-two billion, forty-two million, three hundred forty thousand, four hundred fifty-two".