2340204140 has 24 divisors (see below), whose sum is σ = 4987781232. Its totient is φ = 922109760.

The previous prime is 2340204133. The next prime is 2340204149. The reversal of 2340204140 is 414020432.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2340204149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 871871 + ... + 874550.

It is an arithmetic number, because the mean of its divisors is an integer number (207824218).

Almost surely, 2^2340204140 is an apocalyptic number.

2340204140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2340204140 is an abundant number, since it is smaller than the sum of its proper divisors (2647577092).

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

2340204140 is a wasteful number, since it uses less digits than its factorization.

2340204140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746497 (or 1746495 counting only the distinct ones).

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

The square root of 2340204140 is about 48375.6564813337. The cubic root of 2340204140 is about 1327.6529998631.

Adding to 2340204140 its reverse (414020432), we get a palindrome (2754224572).

The spelling of 2340204140 in words is "two billion, three hundred forty million, two hundred four thousand, one hundred forty".