22560057540 has 72 divisors (see below), whose sum is σ = 68444900160. Its totient is φ = 6014896704.

The previous prime is 22560057463. The next prime is 22560057547. The reversal of 22560057540 is 4575006522.

22560057540 is a `hidden beast` number, since 2 + 2 + 5 + 60 + 0 + 57 + 540 = 666.

It is a super-2 number, since 2×22560057540² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22560057495 and 22560057504.

It is not an unprimeable number, because it can be changed into a prime (22560057547) 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, 1507977 + ... + 1522863.

Almost surely, 2^22560057540 is an apocalyptic number.

22560057540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22560057540 is an abundant number, since it is smaller than the sum of its proper divisors (45884842620).

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

22560057540 is a wasteful number, since it uses less digits than its factorization.

22560057540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23321 (or 23316 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The spelling of 22560057540 in words is "twenty-two billion, five hundred sixty million, fifty-seven thousand, five hundred forty".