904477220864 has 448 divisors, whose sum is σ = 2288272588800. Its totient is φ = 348762931200.

The previous prime is 904477220837. The next prime is 904477220893. The reversal of 904477220864 is 468022774409.

It is a tau number, because it is divible by the number of its divisors (448).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2060312357 + ... + 2060312795.

Almost surely, 2^904477220864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 904477220864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1144136294400).

904477220864 is an abundant number, since it is smaller than the sum of its proper divisors (1383795367936).

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

904477220864 is a wasteful number, since it uses less digits than its factorization.

904477220864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 53.

The spelling of 904477220864 in words is "nine hundred four billion, four hundred seventy-seven million, two hundred twenty thousand, eight hundred sixty-four".