2756043312 has 80 divisors (see below), whose sum is σ = 7816737792. Its totient is φ = 829820160.

The previous prime is 2756043299. The next prime is 2756043319. The reversal of 2756043312 is 2133406572.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2756043319) 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, 66273 + ... + 99519.

Almost surely, 2^2756043312 is an apocalyptic number.

2756043312 is a gapful number since it is divisible by the number (22) 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 2756043312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3908368896).

2756043312 is an abundant number, since it is smaller than the sum of its proper divisors (5060694480).

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

2756043312 is a wasteful number, since it uses less digits than its factorization.

2756043312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33426 (or 33420 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 2756043312 is about 52498.0315059527. The cubic root of 2756043312 is about 1402.0451931331.

Adding to 2756043312 its reverse (2133406572), we get a palindrome (4889449884).

The spelling of 2756043312 in words is "two billion, seven hundred fifty-six million, forty-three thousand, three hundred twelve".