28202711488560 has 240 divisors, whose sum is σ = 113941782140160. Its totient is φ = 6107053294080.

The previous prime is 28202711488489. The next prime is 28202711488583. The reversal of 28202711488560 is 6588411720282.

28202711488560 is a `hidden beast` number, since 2 + 8 + 2 + 0 + 2 + 71 + 1 + 4 + 8 + 8 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×28202711488560² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28202711488497 and 28202711488506.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 147161506 + ... + 147353025.

It is an arithmetic number, because the mean of its divisors is an integer number (474757425584).

Almost surely, 2^{28202711488560} is an apocalyptic number.

28202711488560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28202711488560 is an abundant number, since it is smaller than the sum of its proper divisors (85739070651600).

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

28202711488560 is a wasteful number, since it uses less digits than its factorization.

28202711488560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294514576 (or 294514567 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 54.

The spelling of 28202711488560 in words is "twenty-eight trillion, two hundred two billion, seven hundred eleven million, four hundred eighty-eight thousand, five hundred sixty".