28367722415520 has 96 divisors (see below), whose sum is σ = 99287028469440. Its totient is φ = 7564725976320.

The previous prime is 28367722415489. The next prime is 28367722415623. The reversal of 28367722415520 is 2551422776382.

28367722415520 is a `hidden beast` number, since 2 + 8 + 3 + 6 + 7 + 72 + 2 + 41 + 5 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3283296886 + ... + 3283305525.

It is an arithmetic number, because the mean of its divisors is an integer number (1034239879890).

Almost surely, 2^{28367722415520} is an apocalyptic number.

28367722415520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28367722415520 is an abundant number, since it is smaller than the sum of its proper divisors (70919306053920).

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

28367722415520 is a wasteful number, since it uses less digits than its factorization.

28367722415520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6566602435 (or 6566602421 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 28367722415520 in words is "twenty-eight trillion, three hundred sixty-seven billion, seven hundred twenty-two million, four hundred fifteen thousand, five hundred twenty".