2752981056 has 168 divisors, whose sum is σ = 9112463360. Its totient is φ = 778346496.

The previous prime is 2752980973. The next prime is 2752981073. The reversal of 2752981056 is 6501892572.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 387585 + ... + 394623.

Almost surely, 2^2752981056 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 2752981056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4556231680).

2752981056 is an abundant number, since it is smaller than the sum of its proper divisors (6359482304).

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

2752981056 is a wasteful number, since it uses less digits than its factorization.

2752981056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7161 (or 7148 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 2752981056 is about 52468.8579635578. The cubic root of 2752981056 is about 1401.5257271270.

The spelling of 2752981056 in words is "two billion, seven hundred fifty-two million, nine hundred eighty-one thousand, fifty-six".