2140023408 has 40 divisors (see below), whose sum is σ = 5768761728. Its totient is φ = 682325952.

The previous prime is 2140023407. The next prime is 2140023469. The reversal of 2140023408 is 8043200412.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140023407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968110 + ... + 970317.

Almost surely, 2^2140023408 is an apocalyptic number.

It is an amenable number.

2140023408 is an abundant number, since it is smaller than the sum of its proper divisors (3628738320).

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

2140023408 is a wasteful number, since it uses less digits than its factorization.

2140023408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938461 (or 1938455 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2140023408 is about 46260.3870282124. The cubic root of 2140023408 is about 1288.6634411112.

The spelling of 2140023408 in words is "two billion, one hundred forty million, twenty-three thousand, four hundred eight".