2749975488 has 448 divisors, whose sum is σ = 9729216000. Its totient is φ = 752467968.

The previous prime is 2749975451. The next prime is 2749975523. The reversal of 2749975488 is 8845799472.

2749975488 is a `hidden beast` number, since 27 + 49 + 97 + 5 + 488 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7255683 + ... + 7256061.

It is an arithmetic number, because the mean of its divisors is an integer number (21717000).

Almost surely, 2^2749975488 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 2749975488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4864608000).

2749975488 is an abundant number, since it is smaller than the sum of its proper divisors (6979240512).

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

2749975488 is a wasteful number, since it uses less digits than its factorization.

2749975488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 433 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 63.

The square root of 2749975488 is about 52440.2086952369. The cubic root of 2749975488 is about 1401.0155026736.

The spelling of 2749975488 in words is "two billion, seven hundred forty-nine million, nine hundred seventy-five thousand, four hundred eighty-eight".