7440406744 has 16 divisors (see below), whose sum is σ = 13958838720. Its totient is φ = 3718049760.

The previous prime is 7440406717. The next prime is 7440406747. The reversal of 7440406744 is 4476040447.

It is a junction number, because it is equal to n+sod(n) for n = 7440406697 and 7440406706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7440406747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254472 + ... + 282199.

It is an arithmetic number, because the mean of its divisors is an integer number (872427420).

Almost surely, 2^7440406744 is an apocalyptic number.

It is an amenable number.

7440406744 is a deficient number, since it is larger than the sum of its proper divisors (6518431976).

7440406744 is a wasteful number, since it uses less digits than its factorization.

7440406744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538410 (or 538406 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 40.

The square root of 7440406744 is about 86257.7923668349. The cubic root of 7440406744 is about 1952.2355902104.

The spelling of 7440406744 in words is "seven billion, four hundred forty million, four hundred six thousand, seven hundred forty-four".