28570268160 has 560 divisors, whose sum is σ = 117431430336. Its totient is φ = 6530347008.

The previous prime is 28570268149. The next prime is 28570268183. The reversal of 28570268160 is 6186207582.

28570268160 is a `hidden beast` number, since 2 + 8 + 570 + 2 + 68 + 16 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (560).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 4081466877 + ... + 4081466883.

Almost surely, 2^28570268160 is an apocalyptic number.

28570268160 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 28570268160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58715715168).

28570268160 is an abundant number, since it is smaller than the sum of its proper divisors (88861162176).

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

28570268160 is an frugal number, since it uses more digits than its factorization.

28570268160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 28570268160 in words is "twenty-eight billion, five hundred seventy million, two hundred sixty-eight thousand, one hundred sixty".