564155242 has 16 divisors (see below), whose sum is σ = 980373312. Its totient is φ = 238468320.

The previous prime is 564155237. The next prime is 564155261. The reversal of 564155242 is 242551465.

It is a super-2 number, since 2×564155242² = 636542274152157128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 564155198 and 564155207.

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, 274984 + ... + 277027.

It is an arithmetic number, because the mean of its divisors is an integer number (61273332).

Almost surely, 2^564155242 is an apocalyptic number.

564155242 is a deficient number, since it is larger than the sum of its proper divisors (416218070).

564155242 is a wasteful number, since it uses less digits than its factorization.

564155242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552093.

The product of its digits is 48000, while the sum is 34.

The square root of 564155242 is about 23751.9523829095. The cubic root of 564155242 is about 826.2907213198.

The spelling of 564155242 in words is "five hundred sixty-four million, one hundred fifty-five thousand, two hundred forty-two".