7740440770744 has 64 divisors (see below), whose sum is σ = 16264552577760. Its totient is φ = 3422465187840.

The previous prime is 7740440770723. The next prime is 7740440770753. The reversal of 7740440770744 is 4470770440477.

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, 13315744 + ... + 13884880.

Almost surely, 2^{7740440770744} is an apocalyptic number.

7740440770744 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7740440770744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8132276288880).

7740440770744 is an abundant number, since it is smaller than the sum of its proper divisors (8524111807016).

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

7740440770744 is a wasteful number, since it uses less digits than its factorization.

7740440770744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573368 (or 573364 counting only the distinct ones).

The product of its (nonzero) digits is 17210368, while the sum is 55.

Adding to 7740440770744 its reverse (4470770440477), we get a palindrome (12211211211221).

The spelling of 7740440770744 in words is "seven trillion, seven hundred forty billion, four hundred forty million, seven hundred seventy thousand, seven hundred forty-four".