28026933632 has 32 divisors (see below), whose sum is σ = 56204713200. Its totient is φ = 13920652800.

The previous prime is 28026933631. The next prime is 28026933637. The reversal of 28026933632 is 23633962082.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×28026933632² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28026933631) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 705707 + ... + 744362.

Almost surely, 2^28026933632 is an apocalyptic number.

It is an amenable number.

28026933632 is an abundant number, since it is smaller than the sum of its proper divisors (28177779568).

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

28026933632 is a wasteful number, since it uses less digits than its factorization.

28026933632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450234 (or 1450222 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 44.

The spelling of 28026933632 in words is "twenty-eight billion, twenty-six million, nine hundred thirty-three thousand, six hundred thirty-two".