1442382464 has 16 divisors (see below), whose sum is σ = 2873496570. Its totient is φ = 721191168.

The previous prime is 1442382457. The next prime is 1442382479. The reversal of 1442382464 is 4642832441.

It can be written as a sum of positive squares in only one way, i.e., 1440961600 + 1420864 = 37960^2 + 1192^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×1442382464² = 4160934344909422592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5634179 + ... + 5634434.

Almost surely, 2^1442382464 is an apocalyptic number.

It is an amenable number.

1442382464 is a deficient number, since it is larger than the sum of its proper divisors (1431114106).

1442382464 is an equidigital number, since it uses as much as digits as its factorization.

1442382464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11268627 (or 11268615 counting only the distinct ones).

The product of its digits is 147456, while the sum is 38.

The square root of 1442382464 is about 37978.7106679519. The cubic root of 1442382464 is about 1129.8656649769.

The spelling of 1442382464 in words is "one billion, four hundred forty-two million, three hundred eighty-two thousand, four hundred sixty-four".