1440472912 has 20 divisors (see below), whose sum is σ = 2791998880. Its totient is φ = 719957088.

The previous prime is 1440472907. The next prime is 1440472919. The reversal of 1440472912 is 2192740441.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440472919) 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, 28789 + ... + 60907.

It is an arithmetic number, because the mean of its divisors is an integer number (139599944).

Almost surely, 2^1440472912 is an apocalyptic number.

It is an amenable number.

1440472912 is a deficient number, since it is larger than the sum of its proper divisors (1351525968).

1440472912 is a wasteful number, since it uses less digits than its factorization.

1440472912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34930 (or 34924 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 1440472912 is about 37953.5625732289. The cubic root of 1440472912 is about 1129.3668398023.

The spelling of 1440472912 in words is "one billion, four hundred forty million, four hundred seventy-two thousand, nine hundred twelve".