990297030592 has 56 divisors (see below), whose sum is σ = 2035669466880. Its totient is φ = 477643837440.

The previous prime is 990297030581. The next prime is 990297030647. The reversal of 990297030592 is 295030792099.

It is a super-3 number, since 3×990297030592³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1886688 + ... + 2353759.

It is an arithmetic number, because the mean of its divisors is an integer number (36351240480).

Almost surely, 2^990297030592 is an apocalyptic number.

It is an amenable number.

990297030592 is an abundant number, since it is smaller than the sum of its proper divisors (1045372436288).

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

990297030592 is a wasteful number, since it uses less digits than its factorization.

990297030592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4240589 (or 4240579 counting only the distinct ones).

The product of its (nonzero) digits is 2755620, while the sum is 55.

The spelling of 990297030592 in words is "nine hundred ninety billion, two hundred ninety-seven million, thirty thousand, five hundred ninety-two".