561496442 has 16 divisors (see below), whose sum is σ = 907984392. Its totient is φ = 258880320.

The previous prime is 561496433. The next prime is 561496499. The reversal of 561496442 is 244694165.

It can be written as a sum of positive squares in 4 ways, for example, as 440958001 + 120538441 = 20999^2 + 10979^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 561496442.

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, 15092 + ... + 36752.

Almost surely, 2^561496442 is an apocalyptic number.

561496442 is a deficient number, since it is larger than the sum of its proper divisors (346487950).

561496442 is a wasteful number, since it uses less digits than its factorization.

561496442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22673.

The product of its digits is 207360, while the sum is 41.

The square root of 561496442 is about 23695.9161460366. The cubic root of 561496442 is about 824.9906050966.

The spelling of 561496442 in words is "five hundred sixty-one million, four hundred ninety-six thousand, four hundred forty-two".