561176560 has 40 divisors (see below), whose sum is σ = 1491127776. Its totient is φ = 192403200.

The previous prime is 561176557. The next prime is 561176573. The reversal of 561176560 is 65671165.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 500491 + ... + 501610.

Almost surely, 2^561176560 is an apocalyptic number.

It is an amenable number.

561176560 is an abundant number, since it is smaller than the sum of its proper divisors (929951216).

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

561176560 is a wasteful number, since it uses less digits than its factorization.

561176560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002121 (or 1002115 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 561176560 is about 23689.1654559632. The cubic root of 561176560 is about 824.8339108565.

The spelling of 561176560 in words is "five hundred sixty-one million, one hundred seventy-six thousand, five hundred sixty".