2730888082638 has 24 divisors (see below), whose sum is σ = 5946959334888. Its totient is φ = 905675234352.

The previous prime is 2730888082631. The next prime is 2730888082717. The reversal of 2730888082638 is 8362808880372.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730888082631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385062456 + ... + 385069547.

It is an arithmetic number, because the mean of its divisors is an integer number (247789972287).

Almost surely, 2^{2730888082638} is an apocalyptic number.

2730888082638 is an abundant number, since it is smaller than the sum of its proper divisors (3216071252250).

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

2730888082638 is a wasteful number, since it uses less digits than its factorization.

2730888082638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770132208 (or 770132205 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 63.

The spelling of 2730888082638 in words is "two trillion, seven hundred thirty billion, eight hundred eighty-eight million, eighty-two thousand, six hundred thirty-eight".