2320663140 has 72 divisors (see below), whose sum is σ = 7211059128. Its totient is φ = 603747840.

The previous prime is 2320663123. The next prime is 2320663159. The reversal of 2320663140 is 413660232.

2320663140 is a `hidden beast` number, since 2 + 3 + 20 + 6 + 631 + 4 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 17239104 + 2303424036 = 4152^2 + 47994^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149847 + ... + 164606.

It is an arithmetic number, because the mean of its divisors is an integer number (100153599).

Almost surely, 2^2320663140 is an apocalyptic number.

2320663140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2320663140 is an abundant number, since it is smaller than the sum of its proper divisors (4890395988).

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

2320663140 is a wasteful number, since it uses less digits than its factorization.

2320663140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314509 (or 314504 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 2320663140 is about 48173.2616707650. The cubic root of 2320663140 is about 1323.9473095986.

The spelling of 2320663140 in words is "two billion, three hundred twenty million, six hundred sixty-three thousand, one hundred forty".