80446528412 has 12 divisors (see below), whose sum is σ = 140783473320. Its totient is φ = 40222678896.

The previous prime is 80446528397. The next prime is 80446528429. The reversal of 80446528412 is 21482564408.

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, 349883 + ... + 532269.

It is an arithmetic number, because the mean of its divisors is an integer number (11731956110).

Almost surely, 2^80446528412 is an apocalyptic number.

It is an amenable number.

80446528412 is a deficient number, since it is larger than the sum of its proper divisors (60336944908).

80446528412 is a wasteful number, since it uses less digits than its factorization.

80446528412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292660 (or 292658 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 44.

The spelling of 80446528412 in words is "eighty billion, four hundred forty-six million, five hundred twenty-eight thousand, four hundred twelve".