904935213840 has 320 divisors, whose sum is σ = 3276242878464. Its totient is φ = 202319499264.

The previous prime is 904935213817. The next prime is 904935213851. The reversal of 904935213840 is 48312539409.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 904935213840.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 219269857 + ... + 219273983.

Almost surely, 2^904935213840 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 904935213840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1638121439232).

904935213840 is an abundant number, since it is smaller than the sum of its proper divisors (2371307664624).

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

904935213840 is a wasteful number, since it uses less digits than its factorization.

904935213840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6974 (or 6968 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 904935213840 in words is "nine hundred four billion, nine hundred thirty-five million, two hundred thirteen thousand, eight hundred forty".