2042044040402 has 16 divisors (see below), whose sum is σ = 3179965527000. Its totient is φ = 982306120320.

The previous prime is 2042044040389. The next prime is 2042044040417. The reversal of 2042044040402 is 2040404402402.

It can be written as a sum of positive squares in 4 ways, for example, as 1960277209801 + 81766830601 = 1400099^2 + 285949^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62630777 + ... + 62663372.

Almost surely, 2^{2042044040402} is an apocalyptic number.

2042044040402 is a deficient number, since it is larger than the sum of its proper divisors (1137921486598).

2042044040402 is a wasteful number, since it uses less digits than its factorization.

2042044040402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125294461.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 2042044040402 its reverse (2040404402402), we get a palindrome (4082448442804).

The spelling of 2042044040402 in words is "two trillion, forty-two billion, forty-four million, forty thousand, four hundred two".