564785140 has 24 divisors (see below), whose sum is σ = 1190784672. Its totient is φ = 225012000.

The previous prime is 564785107. The next prime is 564785167. The reversal of 564785140 is 41587465.

It is a junction number, because it is equal to n+sod(n) for n = 564785093 and 564785102.

It is a congruent number.

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, 51234 + ... + 61273.

It is an arithmetic number, because the mean of its divisors is an integer number (49616028).

Almost surely, 2^564785140 is an apocalyptic number.

It is an amenable number.

564785140 is an abundant number, since it is smaller than the sum of its proper divisors (625999532).

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

564785140 is a wasteful number, since it uses less digits than its factorization.

564785140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112767 (or 112765 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 564785140 is about 23765.2086041760. The cubic root of 564785140 is about 826.5981339157.

The spelling of 564785140 in words is "five hundred sixty-four million, seven hundred eighty-five thousand, one hundred forty".