1442043432 has 64 divisors (see below), whose sum is σ = 4014129600. Its totient is φ = 479666880.

The previous prime is 1442043409. The next prime is 1442043469. The reversal of 1442043432 is 2343402441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1442043396 and 1442043405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99258 + ... + 112854.

It is an arithmetic number, because the mean of its divisors is an integer number (62720775).

Almost surely, 2^1442043432 is an apocalyptic number.

1442043432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442043432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2007064800).

1442043432 is an abundant number, since it is smaller than the sum of its proper divisors (2572086168).

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

1442043432 is a wasteful number, since it uses less digits than its factorization.

1442043432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14103 (or 14093 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1442043432 is about 37974.2469576422. The cubic root of 1442043432 is about 1129.7771330647. Note that the first 3 decimals are identical.

Adding to 1442043432 its reverse (2343402441), we get a palindrome (3785445873).

The spelling of 1442043432 in words is "one billion, four hundred forty-two million, forty-three thousand, four hundred thirty-two".