80462995920 has 140 divisors (see below), whose sum is σ = 280486591236. Its totient is φ = 21456783360.

The previous prime is 80462995901. The next prime is 80462995931. The reversal of 80462995920 is 2959926408.

It is a happy number.

80462995920 is a `hidden beast` number, since 8 + 0 + 4 + 629 + 9 + 5 + 9 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8666865216 + 71796130704 = 93096^2 + 267948^2 .

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 27 ways as a sum of consecutive naturals, for example, 631521 + ... + 748160.

Almost surely, 2^80462995920 is an apocalyptic number.

80462995920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80462995920 is an abundant number, since it is smaller than the sum of its proper divisors (200023595316).

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

80462995920 is a wasteful number, since it uses less digits than its factorization.

80462995920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379712 (or 1379691 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 80462995920 in words is "eighty billion, four hundred sixty-two million, nine hundred ninety-five thousand, nine hundred twenty".