2144200402 has 16 divisors (see below), whose sum is σ = 3257381952. Its totient is φ = 1058490160.

The previous prime is 2144200313. The next prime is 2144200403. The reversal of 2144200402 is 2040024412.

It is a self number, because there is not a number n which added to its sum of digits gives 2144200402.

It is not an unprimeable number, because it can be changed into a prime (2144200403) 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, 30843 + ... + 72385.

It is an arithmetic number, because the mean of its divisors is an integer number (203586372).

Almost surely, 2^2144200402 is an apocalyptic number.

2144200402 is a deficient number, since it is larger than the sum of its proper divisors (1113181550).

2144200402 is a wasteful number, since it uses less digits than its factorization.

2144200402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41873.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2144200402 is about 46305.5115725979. The cubic root of 2144200402 is about 1289.5013199779.

Adding to 2144200402 its reverse (2040024412), we get a palindrome (4184224814).

The spelling of 2144200402 in words is "two billion, one hundred forty-four million, two hundred thousand, four hundred two".