561430760 has 32 divisors (see below), whose sum is σ = 1378058400. Its totient is φ = 204156480.

The previous prime is 561430757. The next prime is 561430777. The reversal of 561430760 is 67034165.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 637550 + ... + 638429.

It is an arithmetic number, because the mean of its divisors is an integer number (43064325).

Almost surely, 2^561430760 is an apocalyptic number.

It is an amenable number.

561430760 is an abundant number, since it is smaller than the sum of its proper divisors (816627640).

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

561430760 is a wasteful number, since it uses less digits than its factorization.

561430760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276001 (or 1275997 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 561430760 is about 23694.5301704845. The cubic root of 561430760 is about 824.9584356164.

The spelling of 561430760 in words is "five hundred sixty-one million, four hundred thirty thousand, seven hundred sixty".