2140430402 has 32 divisors (see below), whose sum is σ = 3627638784. Its totient is φ = 938379600.

The previous prime is 2140430399. The next prime is 2140430423. The reversal of 2140430402 is 2040340412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204263 + ... + 214485.

It is an arithmetic number, because the mean of its divisors is an integer number (113363712).

Almost surely, 2^2140430402 is an apocalyptic number.

2140430402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2140430402 is a deficient number, since it is larger than the sum of its proper divisors (1487208382).

2140430402 is a wasteful number, since it uses less digits than its factorization.

2140430402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10574.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2140430402 is about 46264.7857662823. The cubic root of 2140430402 is about 1288.7451294768.

Adding to 2140430402 its reverse (2040340412), we get a palindrome (4180770814).

The spelling of 2140430402 in words is "two billion, one hundred forty million, four hundred thirty thousand, four hundred two".