561847240 has 16 divisors (see below), whose sum is σ = 1264156380. Its totient is φ = 224738880.

The previous prime is 561847177. The next prime is 561847249. The reversal of 561847240 is 42748165.

561847240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 485144676 + 76702564 = 22026^2 + 8758^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 561847240.

It is not an unprimeable number, because it can be changed into a prime (561847249) 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, 7023051 + ... + 7023130.

Almost surely, 2^561847240 is an apocalyptic number.

It is an amenable number.

561847240 is an abundant number, since it is smaller than the sum of its proper divisors (702309140).

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

561847240 is a wasteful number, since it uses less digits than its factorization.

561847240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14046192 (or 14046188 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 561847240 is about 23703.3170674486. The cubic root of 561847240 is about 825.1623751408.

The spelling of 561847240 in words is "five hundred sixty-one million, eight hundred forty-seven thousand, two hundred forty".