904252404252408 has 64 divisors (see below), whose sum is σ = 2321920058367360. Its totient is φ = 293246934788736.

The previous prime is 904252404252401. The next prime is 904252404252443. The reversal of 904252404252408 is 804252404252409.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904252404252401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31059910 + ... + 52661397.

It is an arithmetic number, because the mean of its divisors is an integer number (36280000911990).

Almost surely, 2^{904252404252408} is an apocalyptic number.

It is an amenable number.

904252404252408 is an abundant number, since it is smaller than the sum of its proper divisors (1417667654114952).

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

904252404252408 is a wasteful number, since it uses less digits than its factorization.

904252404252408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83733516 (or 83733512 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 51.

Subtracting from 904252404252408 its reverse (804252404252409), we obtain a palindrome (99999999999999).

The spelling of 904252404252408 in words is "nine hundred four trillion, two hundred fifty-two billion, four hundred four million, two hundred fifty-two thousand, four hundred eight".