1442844774 has 96 divisors (see below), whose sum is σ = 3799089216. Its totient is φ = 386334720.

The previous prime is 1442844769. The next prime is 1442844803. The reversal of 1442844774 is 4774482441.

It is a super-2 number, since 2×1442844774² = 4163602083718222152, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 549184 + ... + 551804.

It is an arithmetic number, because the mean of its divisors is an integer number (39573846).

Almost surely, 2^1442844774 is an apocalyptic number.

1442844774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442844774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1899544608).

1442844774 is an abundant number, since it is smaller than the sum of its proper divisors (2356244442).

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

1442844774 is a wasteful number, since it uses less digits than its factorization.

1442844774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910 (or 2907 counting only the distinct ones).

The product of its digits is 802816, while the sum is 45.

The square root of 1442844774 is about 37984.7966165412. The cubic root of 1442844774 is about 1129.9863662959.

The spelling of 1442844774 in words is "one billion, four hundred forty-two million, eight hundred forty-four thousand, seven hundred seventy-four".