561040362 has 12 divisors (see below), whose sum is σ = 1215587490. Its totient is φ = 187013448.

The previous prime is 561040339. The next prime is 561040373. The reversal of 561040362 is 263040165.

561040362 is a `hidden beast` number, since 5 + 610 + 40 + 3 + 6 + 2 = 666.

561040362 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 only one way, i.e., 550793961 + 10246401 = 23469^2 + 3201^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15584437 + ... + 15584472.

Almost surely, 2^561040362 is an apocalyptic number.

561040362 is an abundant number, since it is smaller than the sum of its proper divisors (654547128).

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

561040362 is a wasteful number, since it uses less digits than its factorization.

561040362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31168917 (or 31168914 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 561040362 is about 23686.2905918170. The cubic root of 561040362 is about 824.7671761741.

The spelling of 561040362 in words is "five hundred sixty-one million, forty thousand, three hundred sixty-two".