565675440 has 160 divisors (see below), whose sum is σ = 1921591296. Its totient is φ = 136519680.

The previous prime is 565675427. The next prime is 565675489. The reversal of 565675440 is 44576565.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 565675392 and 565675401.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 931617 + ... + 932223.

Almost surely, 2^565675440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565675440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (960795648).

565675440 is an abundant number, since it is smaller than the sum of its proper divisors (1355915856).

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

565675440 is a wasteful number, since it uses less digits than its factorization.

565675440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 981 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 42.

The square root of 565675440 is about 23783.9323914276. The cubic root of 565675440 is about 827.0322423433.

The spelling of 565675440 in words is "five hundred sixty-five million, six hundred seventy-five thousand, four hundred forty".