1440442052 has 24 divisors (see below), whose sum is σ = 2881690560. Its totient is φ = 617159520.

The previous prime is 1440442049. The next prime is 1440442099. The reversal of 1440442052 is 2502440441.

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 7 ways as a sum of consecutive naturals, for example, 180074 + ... + 187902.

It is an arithmetic number, because the mean of its divisors is an integer number (120070440).

Almost surely, 2^1440442052 is an apocalyptic number.

It is an amenable number.

1440442052 is an abundant number, since it is smaller than the sum of its proper divisors (1441248508).

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

1440442052 is a wasteful number, since it uses less digits than its factorization.

1440442052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14411 (or 14409 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 1440442052 is about 37953.1560216012. The cubic root of 1440442052 is about 1129.3587747404.

Adding to 1440442052 its reverse (2502440441), we get a palindrome (3942882493).

The spelling of 1440442052 in words is "one billion, four hundred forty million, four hundred forty-two thousand, fifty-two".