84028256432 has 20 divisors (see below), whose sum is σ = 164047535256. Its totient is φ = 41693408640.

The previous prime is 84028256363. The next prime is 84028256441. The reversal of 84028256432 is 23465282048.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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, 20042813 + ... + 20047004.

Almost surely, 2^84028256432 is an apocalyptic number.

It is an amenable number.

84028256432 is a deficient number, since it is larger than the sum of its proper divisors (80019278824).

84028256432 is a wasteful number, since it uses less digits than its factorization.

84028256432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40089956 (or 40089950 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 44.

The spelling of 84028256432 in words is "eighty-four billion, twenty-eight million, two hundred fifty-six thousand, four hundred thirty-two".