25152040488 has 32 divisors (see below), whose sum is σ = 62888528160. Its totient is φ = 8382889920.

The previous prime is 25152040483. The next prime is 25152040499. The reversal of 25152040488 is 88404025152.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25152040483) 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 7 ways as a sum of consecutive naturals, for example, 123498 + ... + 256038.

It is an arithmetic number, because the mean of its divisors is an integer number (1965266505).

Almost surely, 2^25152040488 is an apocalyptic number.

It is an amenable number.

25152040488 is an abundant number, since it is smaller than the sum of its proper divisors (37736487672).

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

25152040488 is a wasteful number, since it uses less digits than its factorization.

25152040488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140457 (or 140453 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 39.

The spelling of 25152040488 in words is "twenty-five billion, one hundred fifty-two million, forty thousand, four hundred eighty-eight".