25232542146 has 96 divisors (see below), whose sum is σ = 68205096960. Its totient is φ = 6829843536.

The previous prime is 25232542067. The next prime is 25232542151. The reversal of 25232542146 is 64124523252.

25232542146 is a `hidden beast` number, since 252 + 325 + 42 + 1 + 46 = 666.

25232542146 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 25232542146.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130546 + ... + 259821.

It is an arithmetic number, because the mean of its divisors is an integer number (710469760).

Almost surely, 2^25232542146 is an apocalyptic number.

25232542146 is an abundant number, since it is smaller than the sum of its proper divisors (42972554814).

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

25232542146 is a wasteful number, since it uses less digits than its factorization.

25232542146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390410 (or 390398 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The spelling of 25232542146 in words is "twenty-five billion, two hundred thirty-two million, five hundred forty-two thousand, one hundred forty-six".