25327040418 has 16 divisors (see below), whose sum is σ = 56282312160. Its totient is φ = 8442346788.

The previous prime is 25327040399. The next prime is 25327040503. The reversal of 25327040418 is 81404072352.

It is a happy number.

25327040418 is a `hidden beast` number, since 2 + 532 + 70 + 40 + 4 + 18 = 666.

It is a super-2 number, since 2×25327040418² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234509580 + ... + 234509687.

It is an arithmetic number, because the mean of its divisors is an integer number (3517644510).

Almost surely, 2^25327040418 is an apocalyptic number.

25327040418 is an abundant number, since it is smaller than the sum of its proper divisors (30955271742).

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

25327040418 is a wasteful number, since it uses less digits than its factorization.

25327040418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469019278 (or 469019272 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 25327040418 in words is "twenty-five billion, three hundred twenty-seven million, forty thousand, four hundred eighteen".