1442802240 has 896 divisors, whose sum is σ = 6320332800. Its totient is φ = 305233920.

The previous prime is 1442802173. The next prime is 1442802269. The reversal of 1442802240 is 422082441.

1442802240 is a `hidden beast` number, since 14 + 428 + 0 + 224 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 30697897 + ... + 30697943.

Almost surely, 2^1442802240 is an apocalyptic number.

1442802240 is a gapful number since it is divisible by the number (10) 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 1442802240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3160166400).

1442802240 is an abundant number, since it is smaller than the sum of its proper divisors (4877530560).

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

1442802240 is a wasteful number, since it uses less digits than its factorization.

1442802240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 1442802240 is about 37984.2367305176. The cubic root of 1442802240 is about 1129.9752624652.

Adding to 1442802240 its reverse (422082441), we get a palindrome (1864884681).

The spelling of 1442802240 in words is "one billion, four hundred forty-two million, eight hundred two thousand, two hundred forty".