28076681424 has 40 divisors (see below), whose sum is σ = 79125194592. Its totient is φ = 8508085120.

The previous prime is 28076681401. The next prime is 28076681443. The reversal of 28076681424 is 42418667082.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26587239 + ... + 26588294.

Almost surely, 2^28076681424 is an apocalyptic number.

28076681424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28076681424 is an abundant number, since it is smaller than the sum of its proper divisors (51048513168).

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

28076681424 is a wasteful number, since it uses less digits than its factorization.

28076681424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53175555 (or 53175549 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 28076681424 in words is "twenty-eight billion, seventy-six million, six hundred eighty-one thousand, four hundred twenty-four".