2140402432 has 36 divisors (see below), whose sum is σ = 4882797136. Its totient is φ = 917314560.

The previous prime is 2140402393. The next prime is 2140402447. The reversal of 2140402432 is 2342040412.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 595419 + ... + 599002.

Almost surely, 2^2140402432 is an apocalyptic number.

It is an amenable number.

2140402432 is an abundant number, since it is smaller than the sum of its proper divisors (2742394704).

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

2140402432 is an equidigital number, since it uses as much as digits as its factorization.

2140402432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194444 (or 1194430 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2140402432 is about 46264.4834835536. The cubic root of 2140402432 is about 1288.7395159082.

Adding to 2140402432 its reverse (2342040412), we get a palindrome (4482442844).

The spelling of 2140402432 in words is "two billion, one hundred forty million, four hundred two thousand, four hundred thirty-two".