561426412 has 24 divisors (see below), whose sum is σ = 1026047232. Its totient is φ = 268290000.

The previous prime is 561426401. The next prime is 561426413. The reversal of 561426412 is 214624165.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (561426413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205737 + ... + 208447.

It is an arithmetic number, because the mean of its divisors is an integer number (42751968).

Almost surely, 2^561426412 is an apocalyptic number.

It is an amenable number.

561426412 is a deficient number, since it is larger than the sum of its proper divisors (464620820).

561426412 is a wasteful number, since it uses less digits than its factorization.

561426412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4989 (or 4987 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 561426412 is about 23694.4384191734. The cubic root of 561426412 is about 824.9563059810.

The spelling of 561426412 in words is "five hundred sixty-one million, four hundred twenty-six thousand, four hundred twelve".