80436478344 has 64 divisors (see below), whose sum is σ = 201997074240. Its totient is φ = 26691624960.

The previous prime is 80436478303. The next prime is 80436478429. The reversal of 80436478344 is 44387463408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5516824 + ... + 5531384.

It is an arithmetic number, because the mean of its divisors is an integer number (3156204285).

Almost surely, 2^80436478344 is an apocalyptic number.

It is an amenable number.

80436478344 is an abundant number, since it is smaller than the sum of its proper divisors (121560595896).

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

80436478344 is a wasteful number, since it uses less digits than its factorization.

80436478344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15590 (or 15586 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 51.

The spelling of 80436478344 in words is "eighty billion, four hundred thirty-six million, four hundred seventy-eight thousand, three hundred forty-four".