80497042140 has 24 divisors (see below), whose sum is σ = 225391718160. Its totient is φ = 21465877888.

The previous prime is 80497042133. The next prime is 80497042141. The reversal of 80497042140 is 4124079408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80497042141) 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, 670808625 + ... + 670808744.

It is an arithmetic number, because the mean of its divisors is an integer number (9391321590).

Almost surely, 2^80497042140 is an apocalyptic number.

It is an amenable number.

80497042140 is an abundant number, since it is smaller than the sum of its proper divisors (144894676020).

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

80497042140 is a wasteful number, since it uses less digits than its factorization.

80497042140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341617381 (or 1341617379 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 80497042140 in words is "eighty billion, four hundred ninety-seven million, forty-two thousand, one hundred forty".