428018833715 has 32 divisors (see below), whose sum is σ = 565158746880. Its totient is φ = 308602224000.

The previous prime is 428018833679. The next prime is 428018833727. The reversal of 428018833715 is 517338810824.

It is not a de Polignac number, because 428018833715 - 2²⁴ = 428002056499 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5319212 + ... + 5399078.

It is an arithmetic number, because the mean of its divisors is an integer number (17661210840).

Almost surely, 2^428018833715 is an apocalyptic number.

428018833715 is a deficient number, since it is larger than the sum of its proper divisors (137139913165).

428018833715 is a wasteful number, since it uses less digits than its factorization.

428018833715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80723.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 428018833715 in words is "four hundred twenty-eight billion, eighteen million, eight hundred thirty-three thousand, seven hundred fifteen".