561076344 has 48 divisors (see below), whose sum is σ = 1524528720. Its totient is φ = 186416640.

The previous prime is 561076343. The next prime is 561076361. The reversal of 561076344 is 443670165.

It is a happy number.

561076344 is a `hidden beast` number, since 5 + 6 + 10 + 7 + 634 + 4 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 561076299 and 561076308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561076343) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 9864 + ... + 34920.

It is an arithmetic number, because the mean of its divisors is an integer number (31761015).

Almost surely, 2^561076344 is an apocalyptic number.

It is an amenable number.

561076344 is an abundant number, since it is smaller than the sum of its proper divisors (963452376).

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

561076344 is a wasteful number, since it uses less digits than its factorization.

561076344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25380 (or 25373 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 561076344 is about 23687.0501329313. The cubic root of 561076344 is about 824.7848077862.

The spelling of 561076344 in words is "five hundred sixty-one million, seventy-six thousand, three hundred forty-four".