1442052520 has 16 divisors (see below), whose sum is σ = 3244618260. Its totient is φ = 576820992.

The previous prime is 1442052509. The next prime is 1442052527. The reversal of 1442052520 is 252502441.

It can be written as a sum of positive squares in 2 ways, for example, as 1379231044 + 62821476 = 37138^2 + 7926^2 .

It is not an unprimeable number, because it can be changed into a prime (1442052527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18025617 + ... + 18025696.

Almost surely, 2^1442052520 is an apocalyptic number.

1442052520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442052520 is an abundant number, since it is smaller than the sum of its proper divisors (1802565740).

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

1442052520 is a wasteful number, since it uses less digits than its factorization.

1442052520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36051324 (or 36051320 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1442052520 is about 37974.3666174961. The cubic root of 1442052520 is about 1129.7795064081.

Adding to 1442052520 its reverse (252502441), we get a palindrome (1694554961).

The spelling of 1442052520 in words is "one billion, four hundred forty-two million, fifty-two thousand, five hundred twenty".