2321140040 has 32 divisors (see below), whose sum is σ = 5223951360. Its totient is φ = 928209600.

The previous prime is 2321140039. The next prime is 2321140051. The reversal of 2321140040 is 400411232.

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 7 ways as a sum of consecutive naturals, for example, 258425 + ... + 267255.

It is an arithmetic number, because the mean of its divisors is an integer number (163248480).

Almost surely, 2^2321140040 is an apocalyptic number.

2321140040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321140040 is an abundant number, since it is smaller than the sum of its proper divisors (2902811320).

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

2321140040 is a wasteful number, since it uses less digits than its factorization.

2321140040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15413 (or 15409 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2321140040 is about 48178.2112577875. The cubic root of 2321140040 is about 1324.0379944860.

Adding to 2321140040 its reverse (400411232), we get a palindrome (2721551272).

The spelling of 2321140040 in words is "two billion, three hundred twenty-one million, one hundred forty thousand, forty".