1442341264 has 120 divisors (see below), whose sum is σ = 3576521088. Its totient is φ = 558270720.

The previous prime is 1442341249. The next prime is 1442341291. The reversal of 1442341264 is 4621432441.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 477519 + ... + 480529.

Almost surely, 2^1442341264 is an apocalyptic number.

1442341264 is a gapful number since it is divisible by the number (14) 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 1442341264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1788260544).

1442341264 is an abundant number, since it is smaller than the sum of its proper divisors (2134179824).

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

1442341264 is a wasteful number, since it uses less digits than its factorization.

1442341264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093 (or 3080 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 1442341264 is about 37978.1682549330. The cubic root of 1442341264 is about 1129.8549071023.

The spelling of 1442341264 in words is "one billion, four hundred forty-two million, three hundred forty-one thousand, two hundred sixty-four".