2750838930 has 144 divisors (see below), whose sum is σ = 8342492184. Its totient is φ = 627056640.

The previous prime is 2750838917. The next prime is 2750838931. The reversal of 2750838930 is 398380572.

2750838930 is a `hidden beast` number, since 27 + 508 + 38 + 93 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2408551929 + 342287001 = 49077^2 + 18501^2 .

It is a super-2 number, since 2×2750838930² = 15134229637607089800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2750838931) 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 71 ways as a sum of consecutive naturals, for example, 2385234 + ... + 2386386.

Almost surely, 2^2750838930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2750838930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4171246092).

2750838930 is an abundant number, since it is smaller than the sum of its proper divisors (5591653254).

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

2750838930 is a wasteful number, since it uses less digits than its factorization.

2750838930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721 (or 1711 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2750838930 is about 52448.4406822548. The cubic root of 2750838930 is about 1401.1621184098.

The spelling of 2750838930 in words is "two billion, seven hundred fifty million, eight hundred thirty-eight thousand, nine hundred thirty".