2742248656 has 80 divisors (see below), whose sum is σ = 6205753600. Its totient is φ = 1149603840.

The previous prime is 2742248653. The next prime is 2742248657. The reversal of 2742248656 is 6568422472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742248653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1358560 + ... + 1360576.

It is an arithmetic number, because the mean of its divisors is an integer number (77571920).

Almost surely, 2^2742248656 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 2742248656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3102876800).

2742248656 is an abundant number, since it is smaller than the sum of its proper divisors (3463504944).

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

2742248656 is a wasteful number, since it uses less digits than its factorization.

2742248656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292 (or 2286 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 46.

The square root of 2742248656 is about 52366.4840904944. The cubic root of 2742248656 is about 1399.7020889919.

The spelling of 2742248656 in words is "two billion, seven hundred forty-two million, two hundred forty-eight thousand, six hundred fifty-six".