561832260 has 48 divisors (see below), whose sum is σ = 1716144192. Its totient is φ = 136201600.

The previous prime is 561832241. The next prime is 561832291. The reversal of 561832260 is 62238165.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424971 + ... + 426290.

It is an arithmetic number, because the mean of its divisors is an integer number (35753004).

Almost surely, 2^561832260 is an apocalyptic number.

It is an amenable number.

561832260 is an abundant number, since it is smaller than the sum of its proper divisors (1154311932).

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

561832260 is a wasteful number, since it uses less digits than its factorization.

561832260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851284 (or 851282 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 561832260 is about 23703.0010758132. The cubic root of 561832260 is about 825.1550415684.

The spelling of 561832260 in words is "five hundred sixty-one million, eight hundred thirty-two thousand, two hundred sixty".