561444076 has 24 divisors (see below), whose sum is σ = 1028057184. Its totient is φ = 267780480.

The previous prime is 561444041. The next prime is 561444101. The reversal of 561444076 is 670444165.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26136 + ... + 42496.

It is an arithmetic number, because the mean of its divisors is an integer number (42835716).

Almost surely, 2^561444076 is an apocalyptic number.

It is an amenable number.

561444076 is a deficient number, since it is larger than the sum of its proper divisors (466613108).

561444076 is a wasteful number, since it uses less digits than its factorization.

561444076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16761 (or 16759 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 561444076 is about 23694.8111619401. The cubic root of 561444076 is about 824.9649576790.

The spelling of 561444076 in words is "five hundred sixty-one million, four hundred forty-four thousand, seventy-six".