561046626 has 24 divisors (see below), whose sum is σ = 1389258624. Its totient is φ = 160299000.

The previous prime is 561046621. The next prime is 561046637. The reversal of 561046626 is 626640165.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (561046621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2226250 + ... + 2226501.

It is an arithmetic number, because the mean of its divisors is an integer number (57885776).

Almost surely, 2^561046626 is an apocalyptic number.

561046626 is an abundant number, since it is smaller than the sum of its proper divisors (828211998).

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

561046626 is a wasteful number, since it uses less digits than its factorization.

561046626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452766 (or 4452763 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 561046626 is about 23686.4228198350. The cubic root of 561046626 is about 824.7702456635.

The spelling of 561046626 in words is "five hundred sixty-one million, forty-six thousand, six hundred twenty-six".