1442019964 has 48 divisors (see below), whose sum is σ = 3219422976. Its totient is φ = 548755200.

The previous prime is 1442019947. The next prime is 1442019973. The reversal of 1442019964 is 4699102441.

It is a super-2 number, since 2×1442019964² = 4158843153149122592, 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 15 ways as a sum of consecutive naturals, for example, 41197 + ... + 67684.

It is an arithmetic number, because the mean of its divisors is an integer number (67071312).

Almost surely, 2^1442019964 is an apocalyptic number.

1442019964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1442019964 is an abundant number, since it is smaller than the sum of its proper divisors (1777403012).

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

1442019964 is a wasteful number, since it uses less digits than its factorization.

1442019964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108946 (or 108944 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1442019964 is about 37973.9379574992. The cubic root of 1442019964 is about 1129.7710043187.

The spelling of 1442019964 in words is "one billion, four hundred forty-two million, nineteen thousand, nine hundred sixty-four".