28567305018960 has 160 divisors (see below), whose sum is σ = 88776458514432. Its totient is φ = 7599216376320.

The previous prime is 28567305018913. The next prime is 28567305018991. The reversal of 28567305018960 is 6981050376582.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 28567305018894 and 28567305018903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 991664877 + ... + 991693683.

Almost surely, 2^{28567305018960} is an apocalyptic number.

28567305018960 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 28567305018960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44388229257216).

28567305018960 is an abundant number, since it is smaller than the sum of its proper divisors (60209153495472).

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

28567305018960 is a wasteful number, since it uses less digits than its factorization.

28567305018960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38841 (or 38835 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 60.

The spelling of 28567305018960 in words is "twenty-eight trillion, five hundred sixty-seven billion, three hundred five million, eighteen thousand, nine hundred sixty".