1442965992 has 128 divisors (see below), whose sum is σ = 4061232000. Its totient is φ = 424166400.

The previous prime is 1442965991. The next prime is 1442966011. The reversal of 1442965992 is 2995692441.

It is not an unprimeable number, because it can be changed into a prime (1442965991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 913059 + ... + 914637.

It is an arithmetic number, because the mean of its divisors is an integer number (31728375).

Almost surely, 2^1442965992 is an apocalyptic number.

1442965992 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 1442965992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2030616000).

1442965992 is an abundant number, since it is smaller than the sum of its proper divisors (2618266008).

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

1442965992 is a wasteful number, since it uses less digits than its factorization.

1442965992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731 (or 1727 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 51.

The square root of 1442965992 is about 37986.3921951006. The cubic root of 1442965992 is about 1130.0180099983.

The spelling of 1442965992 in words is "one billion, four hundred forty-two million, nine hundred sixty-five thousand, nine hundred ninety-two".