566956440 has 96 divisors (see below), whose sum is σ = 1922749920. Its totient is φ = 144612864.

The previous prime is 566956391. The next prime is 566956451. The reversal of 566956440 is 44659665.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25957 + ... + 42516.

It is an arithmetic number, because the mean of its divisors is an integer number (20028645).

Almost surely, 2^566956440 is an apocalyptic number.

It is an amenable number.

566956440 is an abundant number, since it is smaller than the sum of its proper divisors (1355793480).

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

566956440 is a wasteful number, since it uses less digits than its factorization.

566956440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68513 (or 68506 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 566956440 is about 23810.8471079884. The cubic root of 566956440 is about 827.6560568271.

The spelling of 566956440 in words is "five hundred sixty-six million, nine hundred fifty-six thousand, four hundred forty".