604978209990 has 160 divisors (see below), whose sum is σ = 2028117636864. Its totient is φ = 125709744960.

The previous prime is 604978209917. The next prime is 604978210019. The reversal of 604978209990 is 99902879406.

604978209990 is a `hidden beast` number, since 60 + 497 + 82 + 0 + 9 + 9 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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 79 ways as a sum of consecutive naturals, for example, 4787544 + ... + 4912283.

Almost surely, 2^604978209990 is an apocalyptic number.

604978209990 is an abundant number, since it is smaller than the sum of its proper divisors (1423139426874).

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

604978209990 is a wasteful number, since it uses less digits than its factorization.

604978209990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9699864 (or 9699855 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 63.

The spelling of 604978209990 in words is "six hundred four billion, nine hundred seventy-eight million, two hundred nine thousand, nine hundred ninety".