566546040 has 96 divisors (see below), whose sum is σ = 1871532000. Its totient is φ = 148596480.

The previous prime is 566546021. The next prime is 566546053. The reversal of 566546040 is 40645665.

It is a happy number.

566546040 is a `hidden beast` number, since 566 + 54 + 6 + 0 + 40 = 666.

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 = 566545986 and 566546004.

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, 9061 + ... + 34859.

It is an arithmetic number, because the mean of its divisors is an integer number (19495125).

Almost surely, 2^566546040 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 566546040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (935766000).

566546040 is an abundant number, since it is smaller than the sum of its proper divisors (1304985960).

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

566546040 is a wasteful number, since it uses less digits than its factorization.

566546040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25877 (or 25870 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 566546040 is about 23802.2276268420. The cubic root of 566546040 is about 827.4563048337.

The spelling of 566546040 in words is "five hundred sixty-six million, five hundred forty-six thousand, forty".