1440255212 has 12 divisors (see below), whose sum is σ = 2749578216. Its totient is φ = 654661440.

The previous prime is 1440255211. The next prime is 1440255221. The reversal of 1440255212 is 2125520441.

It is not an unprimeable number, because it can be changed into a prime (1440255211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16366493 + ... + 16366580.

It is an arithmetic number, because the mean of its divisors is an integer number (229131518).

Almost surely, 2^1440255212 is an apocalyptic number.

It is an amenable number.

1440255212 is a deficient number, since it is larger than the sum of its proper divisors (1309323004).

1440255212 is a wasteful number, since it uses less digits than its factorization.

1440255212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32733088 (or 32733086 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1440255212 is about 37950.6944863991. The cubic root of 1440255212 is about 1129.3099428518.

Adding to 1440255212 its reverse (2125520441), we get a palindrome (3565775653).

It can be divided in two parts, 1440 and 255212, that added together give a palindrome (256652).

The spelling of 1440255212 in words is "one billion, four hundred forty million, two hundred fifty-five thousand, two hundred twelve".