28057745160 has 96 divisors (see below), whose sum is σ = 91245623040. Its totient is φ = 7477310592.

The previous prime is 28057745159. The next prime is 28057745167. The reversal of 28057745160 is 6154775082.

28057745160 is a `hidden beast` number, since 2 + 80 + 57 + 7 + 4 + 516 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (28057745167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 561769 + ... + 609671.

It is an arithmetic number, because the mean of its divisors is an integer number (950475240).

Almost surely, 2^28057745160 is an apocalyptic number.

28057745160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28057745160 is an abundant number, since it is smaller than the sum of its proper divisors (63187877880).

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

28057745160 is a wasteful number, since it uses less digits than its factorization.

28057745160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49547 (or 49540 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The spelling of 28057745160 in words is "twenty-eight billion, fifty-seven million, seven hundred forty-five thousand, one hundred sixty".