2730538290 has 64 divisors (see below), whose sum is σ = 6725980800. Its totient is φ = 709185024.

The previous prime is 2730538267. The next prime is 2730538319. The reversal of 2730538290 is 928350372.

It is a super-2 number, since 2×2730538290² = 14911678706312248200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185854 + ... + 200006.

It is an arithmetic number, because the mean of its divisors is an integer number (105093450).

Almost surely, 2^2730538290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2730538290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3362990400).

2730538290 is an abundant number, since it is smaller than the sum of its proper divisors (3995442510).

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

2730538290 is a wasteful number, since it uses less digits than its factorization.

2730538290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14331.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 2730538290 is about 52254.5528159987. The cubic root of 2730538290 is about 1397.7068394559.

The spelling of 2730538290 in words is "two billion, seven hundred thirty million, five hundred thirty-eight thousand, two hundred ninety".