324561140 has 12 divisors (see below), whose sum is σ = 681578436. Its totient is φ = 129824448.

The previous prime is 324561089. The next prime is 324561157. The reversal of 324561140 is 41165423.

It can be written as a sum of positive squares in 2 ways, for example, as 197908624 + 126652516 = 14068^2 + 11254^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8114009 + ... + 8114048.

It is an arithmetic number, because the mean of its divisors is an integer number (56798203).

Almost surely, 2^324561140 is an apocalyptic number.

It is an amenable number.

324561140 is an abundant number, since it is smaller than the sum of its proper divisors (357017296).

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

324561140 is a wasteful number, since it uses less digits than its factorization.

324561140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16228066 (or 16228064 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 324561140 is about 18015.5804791297. The cubic root of 324561140 is about 687.2248260739.

The spelling of 324561140 in words is "three hundred twenty-four million, five hundred sixty-one thousand, one hundred forty".