80392438920 has 32 divisors (see below), whose sum is σ = 241177317120. Its totient is φ = 21437983680.

The previous prime is 80392438897. The next prime is 80392438921. The reversal of 80392438920 is 2983429308.

It is a self number, because there is not a number n which added to its sum of digits gives 80392438920.

It is not an unprimeable number, because it can be changed into a prime (80392438921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334968376 + ... + 334968615.

It is an arithmetic number, because the mean of its divisors is an integer number (7536791160).

Almost surely, 2^80392438920 is an apocalyptic number.

It is an amenable number.

80392438920 is an abundant number, since it is smaller than the sum of its proper divisors (160784878200).

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

80392438920 is a wasteful number, since it uses less digits than its factorization.

80392438920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669937005 (or 669937001 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 80392438920 in words is "eighty billion, three hundred ninety-two million, four hundred thirty-eight thousand, nine hundred twenty".