1442312764 has 24 divisors (see below), whose sum is σ = 2547130320. Its totient is φ = 714589824.

The previous prime is 1442312749. The next prime is 1442312771. The reversal of 1442312764 is 4672132441.

It is a super-2 number, since 2×1442312764² = 4160532218394639392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213267 + ... + 219925.

It is an arithmetic number, because the mean of its divisors is an integer number (106130430).

Almost surely, 2^1442312764 is an apocalyptic number.

It is an amenable number.

1442312764 is a deficient number, since it is larger than the sum of its proper divisors (1104817556).

1442312764 is a wasteful number, since it uses less digits than its factorization.

1442312764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7149 (or 7147 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 1442312764 is about 37977.7930375108. The cubic root of 1442312764 is about 1129.8474652489.

The spelling of 1442312764 in words is "one billion, four hundred forty-two million, three hundred twelve thousand, seven hundred sixty-four".