1440340314 has 16 divisors (see below), whose sum is σ = 3292206528. Its totient is φ = 411525792.

The previous prime is 1440340229. The next prime is 1440340327. The reversal of 1440340314 is 4130430441.

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, 17146867 + ... + 17146950.

It is an arithmetic number, because the mean of its divisors is an integer number (205762908).

Almost surely, 2^1440340314 is an apocalyptic number.

1440340314 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1440340314 is an abundant number, since it is smaller than the sum of its proper divisors (1851866214).

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

1440340314 is a wasteful number, since it uses less digits than its factorization.

1440340314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34293829.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1440340314 is about 37951.8156877902. The cubic root of 1440340314 is about 1129.3321853546.

Adding to 1440340314 its reverse (4130430441), we get a palindrome (5570770755).

The spelling of 1440340314 in words is "one billion, four hundred forty million, three hundred forty thousand, three hundred fourteen".