561150140 has 48 divisors (see below), whose sum is σ = 1215194400. Its totient is φ = 217504512.

The previous prime is 561150131. The next prime is 561150151. The reversal of 561150140 is 41051165.

561150140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197651 + ... + 200469.

It is an arithmetic number, because the mean of its divisors is an integer number (25316550).

Almost surely, 2^561150140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 561150140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607597200).

561150140 is an abundant number, since it is smaller than the sum of its proper divisors (654044260).

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

561150140 is a wasteful number, since it uses less digits than its factorization.

561150140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134 (or 3132 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 561150140 is about 23688.6078105067. The cubic root of 561150140 is about 824.8209663542.

The spelling of 561150140 in words is "five hundred sixty-one million, one hundred fifty thousand, one hundred forty".