2731273063640 has 64 divisors (see below), whose sum is σ = 6711644409120. Its totient is φ = 992062720000.

The previous prime is 2731273063627. The next prime is 2731273063657. The reversal of 2731273063640 is 463603721372.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 2731273063591 and 2731273063600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3135311 + ... + 3910590.

Almost surely, 2^{2731273063640} is an apocalyptic number.

2731273063640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2731273063640 is an abundant number, since it is smaller than the sum of its proper divisors (3980371345480).

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

2731273063640 is a wasteful number, since it uses less digits than its factorization.

2731273063640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046804 (or 7046800 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 44.

The spelling of 2731273063640 in words is "two trillion, seven hundred thirty-one billion, two hundred seventy-three million, sixty-three thousand, six hundred forty".