561270460 has 12 divisors (see below), whose sum is σ = 1178668008. Its totient is φ = 224508176.

The previous prime is 561270397. The next prime is 561270461. The reversal of 561270460 is 64072165.

It is a happy number.

561270460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×561270460² = 630049058537223200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561270461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14031742 + ... + 14031781.

It is an arithmetic number, because the mean of its divisors is an integer number (98222334).

Almost surely, 2^561270460 is an apocalyptic number.

It is an amenable number.

561270460 is an abundant number, since it is smaller than the sum of its proper divisors (617397548).

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

561270460 is a wasteful number, since it uses less digits than its factorization.

561270460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28063532 (or 28063530 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 561270460 is about 23691.1472917628. The cubic root of 561270460 is about 824.8799139568.

The spelling of 561270460 in words is "five hundred sixty-one million, two hundred seventy thousand, four hundred sixty".