990794251962 has 80 divisors (see below), whose sum is σ = 2353668675072. Its totient is φ = 310972854240.

The previous prime is 990794251897. The next prime is 990794251963. The reversal of 990794251962 is 269152497099.

990794251962 is a `hidden beast` number, since 9 + 9 + 0 + 79 + 42 + 519 + 6 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 990794251962.

It is not an unprimeable number, because it can be changed into a prime (990794251963) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2480278 + ... + 2851905.

Almost surely, 2^990794251962 is an apocalyptic number.

990794251962 is an abundant number, since it is smaller than the sum of its proper divisors (1362874423110).

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

990794251962 is a wasteful number, since it uses less digits than its factorization.

990794251962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5332265 (or 5332256 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 63.

The spelling of 990794251962 in words is "nine hundred ninety billion, seven hundred ninety-four million, two hundred fifty-one thousand, nine hundred sixty-two".