25623045366 has 32 divisors (see below), whose sum is σ = 53612955648. Its totient is φ = 8155402560.

The previous prime is 25623045359. The next prime is 25623045389. The reversal of 25623045366 is 66354032652.

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 15 ways as a sum of consecutive naturals, for example, 1096510 + ... + 1119633.

It is an arithmetic number, because the mean of its divisors is an integer number (1675404864).

Almost surely, 2^25623045366 is an apocalyptic number.

25623045366 is an abundant number, since it is smaller than the sum of its proper divisors (27989910282).

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

25623045366 is a wasteful number, since it uses less digits than its factorization.

25623045366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216236.

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 25623045366 in words is "twenty-five billion, six hundred twenty-three million, forty-five thousand, three hundred sixty-six".