1440747348 has 48 divisors (see below), whose sum is σ = 3585544704. Its totient is φ = 448691200.

The previous prime is 1440747337. The next prime is 1440747391. The reversal of 1440747348 is 8437470441.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2173 + ... + 53723.

It is an arithmetic number, because the mean of its divisors is an integer number (74698848).

Almost surely, 2^1440747348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1440747348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1792772352).

1440747348 is an abundant number, since it is smaller than the sum of its proper divisors (2144797356).

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

1440747348 is a wasteful number, since it uses less digits than its factorization.

1440747348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51712 (or 51710 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 42.

The square root of 1440747348 is about 37957.1778192215. The cubic root of 1440747348 is about 1129.4385568137.

The spelling of 1440747348 in words is "one billion, four hundred forty million, seven hundred forty-seven thousand, three hundred forty-eight".