2004402142055 has 4 divisors (see below), whose sum is σ = 2405282570472. Its totient is φ = 1603521713640.

The previous prime is 2004402142051. The next prime is 2004402142181. The reversal of 2004402142055 is 5502412044002.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2004402142055 - 2² = 2004402142051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004402142051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200440214201 + ... + 200440214210.

It is an arithmetic number, because the mean of its divisors is an integer number (601320642618).

Almost surely, 2^{2004402142055} is an apocalyptic number.

2004402142055 is a deficient number, since it is larger than the sum of its proper divisors (400880428417).

2004402142055 is an equidigital number, since it uses as much as digits as its factorization.

2004402142055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400880428416.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 2004402142055 its reverse (5502412044002), we get a palindrome (7506814186057).

The spelling of 2004402142055 in words is "two trillion, four billion, four hundred two million, one hundred forty-two thousand, fifty-five".