80752830840 has 576 divisors, whose sum is σ = 311736690720. Its totient is φ = 17965056000.

The previous prime is 80752830803. The next prime is 80752830853. The reversal of 80752830840 is 4803825708.

80752830840 is a `hidden beast` number, since 80 + 7 + 528 + 3 + 0 + 8 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 46921180 + ... + 46922900.

Almost surely, 2^80752830840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80752830840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155868345360).

80752830840 is an abundant number, since it is smaller than the sum of its proper divisors (230983859880).

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

80752830840 is a wasteful number, since it uses less digits than its factorization.

80752830840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824 (or 1800 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 80752830840 in words is "eighty billion, seven hundred fifty-two million, eight hundred thirty thousand, eight hundred forty".