28556035892940 has 96 divisors (see below), whose sum is σ = 83021523480000. Its totient is φ = 7325026358272.

The previous prime is 28556035892939. The next prime is 28556035892963. The reversal of 28556035892940 is 4929853065582.

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, 30036615 + ... + 30972734.

It is an arithmetic number, because the mean of its divisors is an integer number (864807536250).

Almost surely, 2^{28556035892940} is an apocalyptic number.

28556035892940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28556035892940 is an abundant number, since it is smaller than the sum of its proper divisors (54465487587060).

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

28556035892940 is a wasteful number, since it uses less digits than its factorization.

28556035892940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61009659 (or 61009657 counting only the distinct ones).

The product of its (nonzero) digits is 186624000, while the sum is 66.

It can be divided in two parts, 28556035 and 892940, that added together give a triangular number (29448975 = T₇₆₇₄).

The spelling of 28556035892940 in words is "twenty-eight trillion, five hundred fifty-six billion, thirty-five million, eight hundred ninety-two thousand, nine hundred forty".