28571730160 has 80 divisors (see below), whose sum is σ = 66802661856. Its totient is φ = 11364655104.

The previous prime is 28571730157. The next prime is 28571730169. The reversal of 28571730160 is 6103717582.

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 (28571730169) 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, 12018892 + ... + 12021268.

Almost surely, 2^28571730160 is an apocalyptic number.

28571730160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28571730160 is an abundant number, since it is smaller than the sum of its proper divisors (38230931696).

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

28571730160 is a wasteful number, since it uses less digits than its factorization.

28571730160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3170 (or 3164 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 28571730160 in words is "twenty-eight billion, five hundred seventy-one million, seven hundred thirty thousand, one hundred sixty".