4442400231 has 16 divisors (see below), whose sum is σ = 5950821600. Its totient is φ = 2947811328.

The previous prime is 4442400217. The next prime is 4442400253. The reversal of 4442400231 is 1320042444.

It is a happy number.

It is not a de Polignac number, because 4442400231 - 2⁵ = 4442400199 is a prime.

It is a super-2 number, since 2×4442400231² = 39469839624777706722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442400211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1199775 + ... + 1203471.

It is an arithmetic number, because the mean of its divisors is an integer number (371926350).

Almost surely, 2^4442400231 is an apocalyptic number.

4442400231 is a deficient number, since it is larger than the sum of its proper divisors (1508421369).

4442400231 is a wasteful number, since it uses less digits than its factorization.

4442400231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4442400231 is about 66651.3333024929. Note that the first 4 decimals coincide. The cubic root of 4442400231 is about 1643.8892710363.

Adding to 4442400231 its reverse (1320042444), we get a palindrome (5762442675).

The spelling of 4442400231 in words is "four billion, four hundred forty-two million, four hundred thousand, two hundred thirty-one".