25308940122 has 24 divisors (see below), whose sum is σ = 54876029364. Its totient is φ = 8430160704.

The previous prime is 25308940103. The next prime is 25308940127. The reversal of 25308940122 is 22104980352.

It is a happy number.

25308940122 is a `hidden beast` number, since 2 + 530 + 89 + 40 + 1 + 2 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23173668441 + 2135271681 = 152229^2 + 46209^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25308940127) 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 11 ways as a sum of consecutive naturals, for example, 487323 + ... + 536750.

Almost surely, 2^25308940122 is an apocalyptic number.

25308940122 is an abundant number, since it is smaller than the sum of its proper divisors (29567089242).

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

25308940122 is a wasteful number, since it uses less digits than its factorization.

25308940122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025454 (or 1025451 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 25308940122 in words is "twenty-five billion, three hundred eight million, nine hundred forty thousand, one hundred twenty-two".