80733415540 has 12 divisors (see below), whose sum is σ = 169540172676. Its totient is φ = 32293366208.

The previous prime is 80733415507. The next prime is 80733415559. The reversal of 80733415540 is 4551433708.

It can be written as a sum of positive squares in 2 ways, for example, as 22877772516 + 57855643024 = 151254^2 + 240532^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80733415493 and 80733415502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2018335369 + ... + 2018335408.

It is an arithmetic number, because the mean of its divisors is an integer number (14128347723).

Almost surely, 2^80733415540 is an apocalyptic number.

It is an amenable number.

80733415540 is an abundant number, since it is smaller than the sum of its proper divisors (88806757136).

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

80733415540 is a wasteful number, since it uses less digits than its factorization.

80733415540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4036670786 (or 4036670784 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 80733415540 in words is "eighty billion, seven hundred thirty-three million, four hundred fifteen thousand, five hundred forty".