4243144444 has 48 divisors (see below), whose sum is σ = 9802356480. Its totient is φ = 1555925760.

The previous prime is 4243144417. The next prime is 4243144459. The reversal of 4243144444 is 4444413424.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399954 + ... + 410425.

It is an arithmetic number, because the mean of its divisors is an integer number (204215760).

Almost surely, 2^4243144444 is an apocalyptic number.

4243144444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4243144444 is an abundant number, since it is smaller than the sum of its proper divisors (5559212036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4243144444 is a wasteful number, since it uses less digits than its factorization.

4243144444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810418 (or 810416 counting only the distinct ones).

The product of its digits is 98304, while the sum is 34.

The square root of 4243144444 is about 65139.4231168806. The cubic root of 4243144444 is about 1618.9344773999.

Adding to 4243144444 its reverse (4444413424), we get a palindrome (8687557868).

The spelling of 4243144444 in words is "four billion, two hundred forty-three million, one hundred forty-four thousand, four hundred forty-four".