28253514960 has 160 divisors (see below), whose sum is σ = 106164812160. Its totient is φ = 6849331200.

The previous prime is 28253514943. The next prime is 28253514967. The reversal of 28253514960 is 6941535282.

28253514960 is a `hidden beast` number, since 2 + 82 + 53 + 514 + 9 + 6 + 0 = 666.

It is a super-2 number, since 2×28253514960² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28253514967) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 570801 + ... + 618320.

It is an arithmetic number, because the mean of its divisors is an integer number (663530076).

Almost surely, 2^28253514960 is an apocalyptic number.

28253514960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28253514960 is an abundant number, since it is smaller than the sum of its proper divisors (77911297200).

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

28253514960 is a wasteful number, since it uses less digits than its factorization.

28253514960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189154 (or 1189142 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 28253514960 in words is "twenty-eight billion, two hundred fifty-three million, five hundred fourteen thousand, nine hundred sixty".