561370944 has 28 divisors (see below), whose sum is σ = 1485294464. Its totient is φ = 187123584.

The previous prime is 561370939. The next prime is 561370963. The reversal of 561370944 is 449073165.

It is a super-2 number, since 2×561370944² = 630274673534902272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1461712 + ... + 1462095.

Almost surely, 2^561370944 is an apocalyptic number.

It is an amenable number.

561370944 is an abundant number, since it is smaller than the sum of its proper divisors (923923520).

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

561370944 is a wasteful number, since it uses less digits than its factorization.

561370944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923822 (or 2923812 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 561370944 is about 23693.2679046180. The cubic root of 561370944 is about 824.9291369805.

The spelling of 561370944 in words is "five hundred sixty-one million, three hundred seventy thousand, nine hundred forty-four".