2756043488 has 48 divisors (see below), whose sum is σ = 5934974976. Its totient is φ = 1249415040.

The previous prime is 2756043473. The next prime is 2756043491. The reversal of 2756043488 is 8843406572.

It is a super-2 number, since 2×2756043488² = 15191551415494412288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124595 + ... + 145037.

It is an arithmetic number, because the mean of its divisors is an integer number (123645312).

Almost surely, 2^2756043488 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 2756043488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2967487488).

2756043488 is an abundant number, since it is smaller than the sum of its proper divisors (3178931488).

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

2756043488 is a wasteful number, since it uses less digits than its factorization.

2756043488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20847 (or 20839 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The square root of 2756043488 is about 52498.0331822060. The cubic root of 2756043488 is about 1402.0452229778.

The spelling of 2756043488 in words is "two billion, seven hundred fifty-six million, forty-three thousand, four hundred eighty-eight".