1340753744 has 40 divisors (see below), whose sum is σ = 2848180800. Its totient is φ = 606355200.

The previous prime is 1340753707. The next prime is 1340753759. The reversal of 1340753744 is 4473570431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1340753698 and 1340753707.

It is a congruent number.

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, 15884 + ... + 54164.

It is an arithmetic number, because the mean of its divisors is an integer number (71204520).

Almost surely, 2^1340753744 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 1340753744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1424090400).

1340753744 is an abundant number, since it is smaller than the sum of its proper divisors (1507427056).

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

1340753744 is a wasteful number, since it uses less digits than its factorization.

1340753744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38499 (or 38493 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 1340753744 is about 36616.3043465612. The cubic root of 1340753744 is about 1102.6804448903.

The spelling of 1340753744 in words is "one billion, three hundred forty million, seven hundred fifty-three thousand, seven hundred forty-four".