1442328552 has 128 divisors (see below), whose sum is σ = 4848249600. Its totient is φ = 387846144.

The previous prime is 1442328529. The next prime is 1442328553. The reversal of 1442328552 is 2558232441.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1442328553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2353 + ... + 53760.

It is an arithmetic number, because the mean of its divisors is an integer number (37876950).

Almost surely, 2^1442328552 is an apocalyptic number.

1442328552 is a gapful number since it is divisible by the number (12) 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 1442328552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2424124800).

1442328552 is an abundant number, since it is smaller than the sum of its proper divisors (3405921048).

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

1442328552 is a wasteful number, since it uses less digits than its factorization.

1442328552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56152 (or 56142 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 1442328552 is about 37978.0008952551. Note that the first 3 decimals coincide. The cubic root of 1442328552 is about 1129.8515877867.

The spelling of 1442328552 in words is "one billion, four hundred forty-two million, three hundred twenty-eight thousand, five hundred fifty-two".