80428464 has 100 divisors (see below), whose sum is σ = 234662560. Its totient is φ = 26593920.

The previous prime is 80428441. The next prime is 80428471. The reversal of 80428464 is 46482408.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 296649 + ... + 296919.

Almost surely, 2^80428464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80428464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117331280).

80428464 is an abundant number, since it is smaller than the sum of its proper divisors (154234096).

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

80428464 is a wasteful number, since it uses less digits than its factorization.

80428464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 80428464 is about 8968.1917909911. The cubic root of 80428464 is about 431.6548168526.

The spelling of 80428464 in words is "eighty million, four hundred twenty-eight thousand, four hundred sixty-four".