1440214330 has 16 divisors (see below), whose sum is σ = 2744879400. Its totient is φ = 542198272.

The previous prime is 1440214273. The next prime is 1440214343. The reversal of 1440214330 is 334120441.

It can be written as a sum of positive squares in 4 ways, for example, as 1438609041 + 1605289 = 37929^2 + 1267^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4235755 + ... + 4236094.

Almost surely, 2^1440214330 is an apocalyptic number.

1440214330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1440214330 is a deficient number, since it is larger than the sum of its proper divisors (1304665070).

1440214330 is a wasteful number, since it uses less digits than its factorization.

1440214330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8471873.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1440214330 is about 37950.1558626575. The cubic root of 1440214330 is about 1129.2992575034.

Adding to 1440214330 its reverse (334120441), we get a palindrome (1774334771).

The spelling of 1440214330 in words is "one billion, four hundred forty million, two hundred fourteen thousand, three hundred thirty".