2140423401 has 24 divisors (see below), whose sum is σ = 2988518176. Its totient is φ = 1362556800.

The previous prime is 2140423357. The next prime is 2140423421. The reversal of 2140423401 is 1043240412.

It is a de Polignac number, because none of the positive numbers 2^k-2140423401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140423421) 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 23 ways as a sum of consecutive naturals, for example, 1781601 + ... + 1782801.

Almost surely, 2^2140423401 is an apocalyptic number.

It is an amenable number.

2140423401 is a deficient number, since it is larger than the sum of its proper divisors (848094775).

2140423401 is a wasteful number, since it uses less digits than its factorization.

2140423401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373 (or 2350 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2140423401 is about 46264.7101039226. The cubic root of 2140423401 is about 1288.7437243833.

Adding to 2140423401 its reverse (1043240412), we get a palindrome (3183663813).

The spelling of 2140423401 in words is "two billion, one hundred forty million, four hundred twenty-three thousand, four hundred one".