25406662152 has 64 divisors (see below), whose sum is σ = 65626796160. Its totient is φ = 8192038400.

The previous prime is 25406662133. The next prime is 25406662153. The reversal of 25406662152 is 25126660452.

It is a super-2 number, since 2×25406662152² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25406662152.

It is not an unprimeable number, because it can be changed into a prime (25406662153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50349 + ... + 230972.

It is an arithmetic number, because the mean of its divisors is an integer number (1025418690).

Almost surely, 2^25406662152 is an apocalyptic number.

It is an amenable number.

25406662152 is an abundant number, since it is smaller than the sum of its proper divisors (40220134008).

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

25406662152 is a wasteful number, since it uses less digits than its factorization.

25406662152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281454 (or 281450 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 25406662152 in words is "twenty-five billion, four hundred six million, six hundred sixty-two thousand, one hundred fifty-two".