1442440992 has 24 divisors (see below), whose sum is σ = 3786407856. Its totient is φ = 480813632.

The previous prime is 1442440991. The next prime is 1442440997. The reversal of 1442440992 is 2990442441.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1442440992.

It is not an unprimeable number, because it can be changed into a prime (1442440991) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7512618 + ... + 7512809.

It is an arithmetic number, because the mean of its divisors is an integer number (157766994).

Almost surely, 2^1442440992 is an apocalyptic number.

1442440992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1442440992 is an abundant number, since it is smaller than the sum of its proper divisors (2343966864).

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

1442440992 is a wasteful number, since it uses less digits than its factorization.

1442440992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15025440 (or 15025432 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 1442440992 is about 37979.4811970885. The cubic root of 1442440992 is about 1129.8809470732.

The spelling of 1442440992 in words is "one billion, four hundred forty-two million, four hundred forty thousand, nine hundred ninety-two".