2749885632 has 224 divisors, whose sum is σ = 8771087360. Its totient is φ = 839808000.

The previous prime is 2749885631. The next prime is 2749885639. The reversal of 2749885632 is 2365889472.

2749885632 is a `hidden beast` number, since 2 + 74 + 9 + 8 + 8 + 563 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2749885631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3661257 + ... + 3662007.

It is an arithmetic number, because the mean of its divisors is an integer number (39156640).

Almost surely, 2^2749885632 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 2749885632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4385543680).

2749885632 is an abundant number, since it is smaller than the sum of its proper divisors (6021201728).

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

2749885632 is a wasteful number, since it uses less digits than its factorization.

2749885632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 932 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 2749885632 is about 52439.3519410757. The cubic root of 2749885632 is about 1401.0002430200. Note that the first 3 decimals are identical.

The spelling of 2749885632 in words is "two billion, seven hundred forty-nine million, eight hundred eighty-five thousand, six hundred thirty-two".