28367032320 has 624 divisors, whose sum is σ = 113713621632. Its totient is φ = 6464471040.

The previous prime is 28367032307. The next prime is 28367032349. The reversal of 28367032320 is 2323076382.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34467429 + ... + 34468251.

It is an arithmetic number, because the mean of its divisors is an integer number (182233368).

Almost surely, 2^28367032320 is an apocalyptic number.

28367032320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28367032320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56856810816).

28367032320 is an abundant number, since it is smaller than the sum of its proper divisors (85346589312).

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

28367032320 is a wasteful number, since it uses less digits than its factorization.

28367032320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 861 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 28367032320 in words is "twenty-eight billion, three hundred sixty-seven million, thirty-two thousand, three hundred twenty".