80474283990 has 48 divisors (see below), whose sum is σ = 216448081200. Its totient is φ = 20719814976.

The previous prime is 80474283979. The next prime is 80474284043. The reversal of 80474283990 is 9938247408.

80474283990 is a `hidden beast` number, since 8 + 0 + 474 + 2 + 83 + 9 + 90 = 666.

It is a super-2 number, since 2×80474283990² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15413920 + ... + 15419139.

It is an arithmetic number, because the mean of its divisors is an integer number (4509335025).

Almost surely, 2^80474283990 is an apocalyptic number.

80474283990 is an abundant number, since it is smaller than the sum of its proper divisors (135973797210).

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

80474283990 is a wasteful number, since it uses less digits than its factorization.

80474283990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30833101 (or 30833098 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 80474283990 in words is "eighty billion, four hundred seventy-four million, two hundred eighty-three thousand, nine hundred ninety".