2754021888 has 240 divisors, whose sum is σ = 8459759880. Its totient is φ = 860848128.

The previous prime is 2754021869. The next prime is 2754021889. The reversal of 2754021888 is 8881204572.

It is a happy number.

2754021888 is a `hidden beast` number, since 2 + 7 + 540 + 21 + 8 + 88 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2345658624 + 408363264 = 48432^2 + 20208^2 .

It is not an unprimeable number, because it can be changed into a prime (2754021889) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4944106 + ... + 4944662.

Almost surely, 2^2754021888 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 2754021888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4229879940).

2754021888 is an abundant number, since it is smaller than the sum of its proper divisors (5705737992).

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

2754021888 is a wasteful number, since it uses less digits than its factorization.

2754021888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The square root of 2754021888 is about 52478.7755954729. The cubic root of 2754021888 is about 1401.7023319292.

The spelling of 2754021888 in words is "two billion, seven hundred fifty-four million, twenty-one thousand, eight hundred eighty-eight".