456565540 has 12 divisors (see below), whose sum is σ = 958787676. Its totient is φ = 182626208.

The previous prime is 456565507. The next prime is 456565547. The reversal of 456565540 is 45565654.

It can be written as a sum of positive squares in 2 ways, for example, as 270734116 + 185831424 = 16454^2 + 13632^2 .

It is a junction number, because it is equal to n+sod(n) for n = 456565493 and 456565502.

It is not an unprimeable number, because it can be changed into a prime (456565547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11414119 + ... + 11414158.

It is an arithmetic number, because the mean of its divisors is an integer number (79898973).

Almost surely, 2^456565540 is an apocalyptic number.

It is an amenable number.

456565540 is an abundant number, since it is smaller than the sum of its proper divisors (502222136).

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

456565540 is a wasteful number, since it uses less digits than its factorization.

456565540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22828286 (or 22828284 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The square root of 456565540 is about 21367.3943193830. The cubic root of 456565540 is about 770.0182938252.

The spelling of 456565540 in words is "four hundred fifty-six million, five hundred sixty-five thousand, five hundred forty".