1442681464 has 32 divisors (see below), whose sum is σ = 3094963200. Its totient is φ = 617591520.

The previous prime is 1442681431. The next prime is 1442681479. The reversal of 1442681464 is 4641862441.

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, 36877 + ... + 65155.

It is an arithmetic number, because the mean of its divisors is an integer number (96717600).

Almost surely, 2^1442681464 is an apocalyptic number.

1442681464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1442681464 is an abundant number, since it is smaller than the sum of its proper divisors (1652281736).

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

1442681464 is a wasteful number, since it uses less digits than its factorization.

1442681464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29203 (or 29199 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The square root of 1442681464 is about 37982.6468798582. The cubic root of 1442681464 is about 1129.9437317637.

The spelling of 1442681464 in words is "one billion, four hundred forty-two million, six hundred eighty-one thousand, four hundred sixty-four".