4044440051 has 4 divisors (see below), whose sum is σ = 4051548600. Its totient is φ = 4037331504.

The previous prime is 4044440047. The next prime is 4044440053. The reversal of 4044440051 is 1500444404.

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 4044440051 - 2² = 4044440047 is a prime.

It is a super-2 number, since 2×4044440051² = 32714990652265765202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4044440051.

It is not an unprimeable number, because it can be changed into a prime (4044440053) 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, 3553421 + ... + 3554558.

It is an arithmetic number, because the mean of its divisors is an integer number (1012887150).

Almost surely, 2^4044440051 is an apocalyptic number.

4044440051 is a deficient number, since it is larger than the sum of its proper divisors (7108549).

4044440051 is an equidigital number, since it uses as much as digits as its factorization.

4044440051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7108548.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 4044440051 is about 63595.9122192614. The cubic root of 4044440051 is about 1593.2580965867.

Adding to 4044440051 its reverse (1500444404), we get a palindrome (5544884455).

The spelling of 4044440051 in words is "four billion, forty-four million, four hundred forty thousand, fifty-one".