2040200402 has 24 divisors (see below), whose sum is σ = 3178745856. Its totient is φ = 982042544.

The previous prime is 2040200401. The next prime is 2040200429. The reversal of 2040200402 is 2040020402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2040200401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 642623 + ... + 645789.

It is an arithmetic number, because the mean of its divisors is an integer number (132447744).

Almost surely, 2^2040200402 is an apocalyptic number.

2040200402 is a deficient number, since it is larger than the sum of its proper divisors (1138545454).

2040200402 is a wasteful number, since it uses less digits than its factorization.

2040200402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3610 (or 3581 counting only the distinct ones).

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

The square root of 2040200402 is about 45168.5775954922. The cubic root of 2040200402 is about 1268.3066695980.

Adding to 2040200402 its reverse (2040020402), we get a palindrome (4080220804).

The spelling of 2040200402 in words is "two billion, forty million, two hundred thousand, four hundred two".