1442726824 has 64 divisors (see below), whose sum is σ = 3406147200. Its totient is φ = 556512000.

The previous prime is 1442726809. The next prime is 1442726827. The reversal of 1442726824 is 4286272441.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1442726827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50622 + ... + 73810.

It is an arithmetic number, because the mean of its divisors is an integer number (53221050).

Almost surely, 2^1442726824 is an apocalyptic number.

1442726824 is a gapful number since it is divisible by the number (14) 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 1442726824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1703073600).

1442726824 is an abundant number, since it is smaller than the sum of its proper divisors (1963420376).

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

1442726824 is a wasteful number, since it uses less digits than its factorization.

1442726824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23314 (or 23310 counting only the distinct ones).

The product of its digits is 172032, while the sum is 40.

The square root of 1442726824 is about 37983.2439899490. The cubic root of 1442726824 is about 1129.9555739967.

The spelling of 1442726824 in words is "one billion, four hundred forty-two million, seven hundred twenty-six thousand, eight hundred twenty-four".