1442868588 has 144 divisors (see below), whose sum is σ = 4529674240. Its totient is φ = 377913600.

The previous prime is 1442868587. The next prime is 1442868589. The reversal of 1442868588 is 8858682441.

1442868588 is a `hidden beast` number, since 14 + 42 + 8 + 6 + 8 + 588 = 666.

It is an interprime number because it is at equal distance from previous prime (1442868587) and next prime (1442868589).

It is a super-2 number, since 2×1442868588² = 4163739524474227488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1442868587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 143568 + ... + 153288.

Almost surely, 2^1442868588 is an apocalyptic number.

1442868588 is a gapful number since it is divisible by the number (18) 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 1442868588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2264837120).

1442868588 is an abundant number, since it is smaller than the sum of its proper divisors (3086805652).

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

1442868588 is a wasteful number, since it uses less digits than its factorization.

1442868588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9788 (or 9783 counting only the distinct ones).

The product of its digits is 3932160, while the sum is 54.

The square root of 1442868588 is about 37985.1100827680. The cubic root of 1442868588 is about 1129.9925830301.

The spelling of 1442868588 in words is "one billion, four hundred forty-two million, eight hundred sixty-eight thousand, five hundred eighty-eight".