2044202551 has 4 divisors (see below), whose sum is σ = 2044726504. Its totient is φ = 2043678600.

The previous prime is 2044202543. The next prime is 2044202557. The reversal of 2044202551 is 1552024402.

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

It is a cyclic number.

It is not a de Polignac number, because 2044202551 - 2³ = 2044202543 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 (2044202557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256080 + ... + 263941.

It is an arithmetic number, because the mean of its divisors is an integer number (511181626).

Almost surely, 2^2044202551 is an apocalyptic number.

2044202551 is a deficient number, since it is larger than the sum of its proper divisors (523953).

2044202551 is an equidigital number, since it uses as much as digits as its factorization.

2044202551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523952.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2044202551 is about 45212.8582485116. The cubic root of 2044202551 is about 1269.1354504055.

Adding to 2044202551 its reverse (1552024402), we get a palindrome (3596226953).

The spelling of 2044202551 in words is "two billion, forty-four million, two hundred two thousand, five hundred fifty-one".