566421402 has 16 divisors (see below), whose sum is σ = 1199480832. Its totient is φ = 177700800.

The previous prime is 566421377. The next prime is 566421439. The reversal of 566421402 is 204124665.

566421402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 566421402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2776474 + ... + 2776677.

It is an arithmetic number, because the mean of its divisors is an integer number (74967552).

Almost surely, 2^566421402 is an apocalyptic number.

566421402 is an abundant number, since it is smaller than the sum of its proper divisors (633059430).

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

566421402 is a wasteful number, since it uses less digits than its factorization.

566421402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553173.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 566421402 is about 23799.6092825071. The cubic root of 566421402 is about 827.3956212908.

The spelling of 566421402 in words is "five hundred sixty-six million, four hundred twenty-one thousand, four hundred two".