1440513052 has 24 divisors (see below), whose sum is σ = 2751073920. Its totient is φ = 654539760.

The previous prime is 1440513031. The next prime is 1440513059. The reversal of 1440513052 is 2503150441.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440513059) 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 7 ways as a sum of consecutive naturals, for example, 183553 + ... + 191239.

It is an arithmetic number, because the mean of its divisors is an integer number (114628080).

Almost surely, 2^1440513052 is an apocalyptic number.

It is an amenable number.

1440513052 is a deficient number, since it is larger than the sum of its proper divisors (1310560868).

1440513052 is a wasteful number, since it uses less digits than its factorization.

1440513052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11961 (or 11959 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1440513052 is about 37954.0913736583. The cubic root of 1440513052 is about 1129.3773299599.

Adding to 1440513052 its reverse (2503150441), we get a palindrome (3943663493).

The spelling of 1440513052 in words is "one billion, four hundred forty million, five hundred thirteen thousand, fifty-two".