1442344280 has 64 divisors (see below), whose sum is σ = 3501338400. Its totient is φ = 531578880.

The previous prime is 1442344247. The next prime is 1442344291. The reversal of 1442344280 is 824432441.

It is a congruent number.

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, 319640 + ... + 324120.

Almost surely, 2^1442344280 is an apocalyptic number.

1442344280 is a gapful number since it is divisible by the number (10) 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 1442344280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1750669200).

1442344280 is an abundant number, since it is smaller than the sum of its proper divisors (2058994120).

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

1442344280 is a wasteful number, since it uses less digits than its factorization.

1442344280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124 (or 5120 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 1442344280 is about 37978.2079619352. The cubic root of 1442344280 is about 1129.8556946275.

The spelling of 1442344280 in words is "one billion, four hundred forty-two million, three hundred forty-four thousand, two hundred eighty".