2721266731200 has 672 divisors, whose sum is σ = 9993398595840. Its totient is φ = 644264755200.

The previous prime is 2721266731193. The next prime is 2721266731213. The reversal of 2721266731200 is 21376621272.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 373642759 + ... + 373650041.

Almost surely, 2^{2721266731200} is an apocalyptic number.

2721266731200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2721266731200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4996699297920).

2721266731200 is an abundant number, since it is smaller than the sum of its proper divisors (7272131864640).

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

2721266731200 is a wasteful number, since it uses less digits than its factorization.

2721266731200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7585 (or 7570 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 2721266731200 in words is "two trillion, seven hundred twenty-one billion, two hundred sixty-six million, seven hundred thirty-one thousand, two hundred".