1440741734 has 4 divisors (see below), whose sum is σ = 2161112604. Its totient is φ = 720370866.

The previous prime is 1440741691. The next prime is 1440741749. The reversal of 1440741734 is 4371470441.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1440741694 and 1440741703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360185432 + ... + 360185435.

It is an arithmetic number, because the mean of its divisors is an integer number (540278151).

Almost surely, 2^1440741734 is an apocalyptic number.

1440741734 is a deficient number, since it is larger than the sum of its proper divisors (720370870).

1440741734 is an equidigital number, since it uses as much as digits as its factorization.

1440741734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720370869.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 1440741734 is about 37957.1038673922. The cubic root of 1440741734 is about 1129.4370898260.

The spelling of 1440741734 in words is "one billion, four hundred forty million, seven hundred forty-one thousand, seven hundred thirty-four".