561460842 has 16 divisors (see below), whose sum is σ = 1247690880. Its totient is φ = 187153596.

The previous prime is 561460831. The next prime is 561460859. The reversal of 561460842 is 248064165.

561460842 is a `hidden beast` number, since 5 + 6 + 1 + 4 + 608 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 561460797 and 561460806.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5198658 + ... + 5198765.

It is an arithmetic number, because the mean of its divisors is an integer number (77980680).

Almost surely, 2^561460842 is an apocalyptic number.

561460842 is an abundant number, since it is smaller than the sum of its proper divisors (686230038).

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

561460842 is a wasteful number, since it uses less digits than its factorization.

561460842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10397434 (or 10397428 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 561460842 is about 23695.1649498373. The cubic root of 561460842 is about 824.9731693754.

The spelling of 561460842 in words is "five hundred sixty-one million, four hundred sixty thousand, eight hundred forty-two".