2140400230 has 32 divisors (see below), whose sum is σ = 3992004000. Its totient is φ = 825756672.

The previous prime is 2140400221. The next prime is 2140400233. The reversal of 2140400230 is 320040412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140400233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2955 + ... + 65494.

It is an arithmetic number, because the mean of its divisors is an integer number (124750125).

Almost surely, 2^2140400230 is an apocalyptic number.

2140400230 is a deficient number, since it is larger than the sum of its proper divisors (1851603770).

2140400230 is a wasteful number, since it uses less digits than its factorization.

2140400230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68568.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2140400230 is about 46264.4596855945. The cubic root of 2140400230 is about 1288.7390739656.

Adding to 2140400230 its reverse (320040412), we get a palindrome (2460440642).

The spelling of 2140400230 in words is "two billion, one hundred forty million, four hundred thousand, two hundred thirty".