28575042160 has 80 divisors (see below), whose sum is σ = 76208550912. Its totient is φ = 9760953600.

The previous prime is 28575042157. The next prime is 28575042163. The reversal of 28575042160 is 6124057582.

It is an interprime number because it is at equal distance from previous prime (28575042157) and next prime (28575042163).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28575042163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57615 + ... + 245905.

Almost surely, 2^28575042160 is an apocalyptic number.

28575042160 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 28575042160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38104275456).

28575042160 is an abundant number, since it is smaller than the sum of its proper divisors (47633508752).

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

28575042160 is a wasteful number, since it uses less digits than its factorization.

28575042160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188582 (or 188576 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 28575042160 in words is "twenty-eight billion, five hundred seventy-five million, forty-two thousand, one hundred sixty".