2044024391 has 4 divisors (see below), whose sum is σ = 2063869392. Its totient is φ = 2024179392.

The previous prime is 2044024387. The next prime is 2044024397. The reversal of 2044024391 is 1934204402.

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 2044024391 - 2² = 2044024387 is a prime.

It is a super-2 number, since 2×2044024391² = 8356071422005841762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044024397) 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, 9922346 + ... + 9922551.

It is an arithmetic number, because the mean of its divisors is an integer number (515967348).

Almost surely, 2^2044024391 is an apocalyptic number.

2044024391 is a deficient number, since it is larger than the sum of its proper divisors (19845001).

2044024391 is a wasteful number, since it uses less digits than its factorization.

2044024391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19845000.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2044024391 is about 45210.8879696031. The cubic root of 2044024391 is about 1269.0985793461.

Adding to 2044024391 its reverse (1934204402), we get a palindrome (3978228793).

The spelling of 2044024391 in words is "two billion, forty-four million, twenty-four thousand, three hundred ninety-one".