2400040202 has 24 divisors (see below), whose sum is σ = 4301030496. Its totient is φ = 983864376.

The previous prime is 2400040189. The next prime is 2400040211. The reversal of 2400040202 is 2020400042.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154628 + ... + 169439.

It is an arithmetic number, because the mean of its divisors is an integer number (179209604).

Almost surely, 2^2400040202 is an apocalyptic number.

2400040202 is a deficient number, since it is larger than the sum of its proper divisors (1900990294).

2400040202 is a wasteful number, since it uses less digits than its factorization.

2400040202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324122 (or 324099 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2400040202 is about 48990.2051638896. The cubic root of 2400040202 is about 1338.8733758291.

Adding to 2400040202 its reverse (2020400042), we get a palindrome (4420440244).

The spelling of 2400040202 in words is "two billion, four hundred million, forty thousand, two hundred two".