904243481856 has 1008 divisors, whose sum is σ = 3284865894912. Its totient is φ = 244552089600.

The previous prime is 904243481849. The next prime is 904243481873. The reversal of 904243481856 is 658184342409.

904243481856 is a `hidden beast` number, since 9 + 0 + 42 + 43 + 481 + 85 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 827303646 + ... + 827304738.

Almost surely, 2^904243481856 is an apocalyptic number.

904243481856 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 904243481856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1642432947456).

904243481856 is an abundant number, since it is smaller than the sum of its proper divisors (2380622413056).

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

904243481856 is a wasteful number, since it uses less digits than its factorization.

904243481856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182 (or 1153 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 904243481856 in words is "nine hundred four billion, two hundred forty-three million, four hundred eighty-one thousand, eight hundred fifty-six".