25006040632 has 32 divisors (see below), whose sum is σ = 49706881920. Its totient is φ = 11772673920.

The previous prime is 25006040617. The next prime is 25006040659. The reversal of 25006040632 is 23604060052.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 25006040632.

It is a congruent number.

It is an unprimeable number.

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, 1353403 + ... + 1371754.

It is an arithmetic number, because the mean of its divisors is an integer number (1553340060).

Almost surely, 2^25006040632 is an apocalyptic number.

It is an amenable number.

25006040632 is a deficient number, since it is larger than the sum of its proper divisors (24700841288).

25006040632 is a wasteful number, since it uses less digits than its factorization.

25006040632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725231 (or 2725227 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 25006040632 in words is "twenty-five billion, six million, forty thousand, six hundred thirty-two".