564774444 has 60 divisors (see below), whose sum is σ = 1590015504. Its totient is φ = 173775456.

The previous prime is 564774439. The next prime is 564774451. The reversal of 564774444 is 444477465.

It is a happy number.

564774444 is a `hidden beast` number, since 564 + 7 + 7 + 44 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 564774444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 62832 + ... + 71255.

Almost surely, 2^564774444 is an apocalyptic number.

564774444 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

564774444 is an abundant number, since it is smaller than the sum of its proper divisors (1025241060).

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

564774444 is a wasteful number, since it uses less digits than its factorization.

564774444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134116 (or 134105 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 45.

The square root of 564774444 is about 23764.9835682670. The cubic root of 564774444 is about 826.5929157959.

The spelling of 564774444 in words is "five hundred sixty-four million, seven hundred seventy-four thousand, four hundred forty-four".