1424243444 has 72 divisors (see below), whose sum is σ = 2877638400. Its totient is φ = 615069312.

The previous prime is 1424243441. The next prime is 1424243449. The reversal of 1424243444 is 4443424241.

It is a super-2 number, since 2×1424243444² = 4056938775553962272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1424243444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424243441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 729782 + ... + 731730.

It is an arithmetic number, because the mean of its divisors is an integer number (39967200).

Almost surely, 2^1424243444 is an apocalyptic number.

It is an amenable number.

1424243444 is an abundant number, since it is smaller than the sum of its proper divisors (1453394956).

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

1424243444 is a wasteful number, since it uses less digits than its factorization.

1424243444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049 (or 2034 counting only the distinct ones).

The product of its digits is 49152, while the sum is 32.

The square root of 1424243444 is about 37739.1500169254. The cubic root of 1424243444 is about 1125.1093737942.

Adding to 1424243444 its reverse (4443424241), we get a palindrome (5867667685).

The spelling of 1424243444 in words is "one billion, four hundred twenty-four million, two hundred forty-three thousand, four hundred forty-four".