564087490 has 16 divisors (see below), whose sum is σ = 1016802360. Its totient is φ = 225313920.

The previous prime is 564087487. The next prime is 564087493. The reversal of 564087490 is 94780465.

It is an interprime number because it is at equal distance from previous prime (564087487) and next prime (564087493).

It can be written as a sum of positive squares in 4 ways, for example, as 238609809 + 325477681 = 15447^2 + 18041^2 .

It is not an unprimeable number, because it can be changed into a prime (564087493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32691 + ... + 46870.

Almost surely, 2^564087490 is an apocalyptic number.

564087490 is a deficient number, since it is larger than the sum of its proper divisors (452714870).

564087490 is a wasteful number, since it uses less digits than its factorization.

564087490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80277.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 564087490 is about 23750.5260994362. The cubic root of 564087490 is about 826.2576423101.

The spelling of 564087490 in words is "five hundred sixty-four million, eighty-seven thousand, four hundred ninety".