1442050440 has 64 divisors (see below), whose sum is σ = 4328769600. Its totient is φ = 384314112.

The previous prime is 1442050417. The next prime is 1442050457. The reversal of 1442050440 is 440502441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1442050440.

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, 302314 + ... + 307046.

It is an arithmetic number, because the mean of its divisors is an integer number (67637025).

Almost surely, 2^1442050440 is an apocalyptic number.

1442050440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442050440 is an abundant number, since it is smaller than the sum of its proper divisors (2886719160).

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

1442050440 is a wasteful number, since it uses less digits than its factorization.

1442050440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7286 (or 7282 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 1442050440 is about 37974.3392305910. The cubic root of 1442050440 is about 1129.7789632142.

Adding to 1442050440 its reverse (440502441), we get a palindrome (1882552881).

The spelling of 1442050440 in words is "one billion, four hundred forty-two million, fifty thousand, four hundred forty".