1440329226 has 24 divisors (see below), whose sum is σ = 3350970720. Its totient is φ = 411522552.

The previous prime is 1440329213. The next prime is 1440329249. The reversal of 1440329226 is 6229230441.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2449246 + ... + 2449833.

It is an arithmetic number, because the mean of its divisors is an integer number (139623780).

Almost surely, 2^1440329226 is an apocalyptic number.

1440329226 is an abundant number, since it is smaller than the sum of its proper divisors (1910641494).

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

1440329226 is a wasteful number, since it uses less digits than its factorization.

1440329226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4899098 (or 4899091 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 1440329226 is about 37951.6696075416. The cubic root of 1440329226 is about 1129.3292874127.

Adding to 1440329226 its reverse (6229230441), we get a palindrome (7669559667).

The spelling of 1440329226 in words is "one billion, four hundred forty million, three hundred twenty-nine thousand, two hundred twenty-six".