80311825940 has 24 divisors (see below), whose sum is σ = 168707395752. Its totient is φ = 32114718720.

The previous prime is 80311825843. The next prime is 80311826033. The reversal of 80311825940 is 4952811308.

It can be written as a sum of positive squares in 4 ways, for example, as 11334157444 + 68977668496 = 106462^2 + 262636^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559781 + ... + 688460.

It is an arithmetic number, because the mean of its divisors is an integer number (7029474823).

Almost surely, 2^80311825940 is an apocalyptic number.

It is an amenable number.

80311825940 is an abundant number, since it is smaller than the sum of its proper divisors (88395569812).

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

80311825940 is a wasteful number, since it uses less digits than its factorization.

80311825940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251467 (or 1251465 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 80311825940 in words is "eighty billion, three hundred eleven million, eight hundred twenty-five thousand, nine hundred forty".