80572838540 has 48 divisors (see below), whose sum is σ = 171039556800. Its totient is φ = 31879667712.

The previous prime is 80572838531. The next prime is 80572838569. The reversal of 80572838540 is 4583827508.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3945476 + ... + 3965844.

It is an arithmetic number, because the mean of its divisors is an integer number (3563324100).

Almost surely, 2^80572838540 is an apocalyptic number.

It is an amenable number.

80572838540 is an abundant number, since it is smaller than the sum of its proper divisors (90466718260).

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

80572838540 is a wasteful number, since it uses less digits than its factorization.

80572838540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22514 (or 22512 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 80572838540 in words is "eighty billion, five hundred seventy-two million, eight hundred thirty-eight thousand, five hundred forty".