2044402002455 has 16 divisors (see below), whose sum is σ = 2560244834304. Its totient is φ = 1564229868960.

The previous prime is 2044402002451. The next prime is 2044402002463. The reversal of 2044402002455 is 5542002044402.

It is not a de Polignac number, because 2044402002455 - 2² = 2044402002451 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 (2044402002451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38231 + ... + 2022440.

It is an arithmetic number, because the mean of its divisors is an integer number (160015302144).

Almost surely, 2^{2044402002455} is an apocalyptic number.

2044402002455 is a deficient number, since it is larger than the sum of its proper divisors (515842831849).

2044402002455 is a wasteful number, since it uses less digits than its factorization.

2044402002455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069326.

The product of its (nonzero) digits is 51200, while the sum is 32.

Adding to 2044402002455 its reverse (5542002044402), we get a palindrome (7586404046857).

The spelling of 2044402002455 in words is "two trillion, forty-four billion, four hundred two million, two thousand, four hundred fifty-five".