1440013032 has 64 divisors (see below), whose sum is σ = 4006104000. Its totient is φ = 479276352.

The previous prime is 1440012991. The next prime is 1440013039. The reversal of 1440013032 is 2303100441.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1440012996 and 1440013014.

It is not an unprimeable number, because it can be changed into a prime (1440013039) 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, 148443 + ... + 157845.

It is an arithmetic number, because the mean of its divisors is an integer number (62595375).

Almost surely, 2^1440013032 is an apocalyptic number.

1440013032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1440013032 is an abundant number, since it is smaller than the sum of its proper divisors (2566090968).

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

1440013032 is a wasteful number, since it uses less digits than its factorization.

1440013032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10127 (or 10117 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1440013032 is about 37947.5036333090. The cubic root of 1440013032 is about 1129.2466411974.

Adding to 1440013032 its reverse (2303100441), we get a palindrome (3743113473).

The spelling of 1440013032 in words is "one billion, four hundred forty million, thirteen thousand, thirty-two".