2721361198960 has 20 divisors (see below), whose sum is σ = 6327164787768. Its totient is φ = 1088544479552.

The previous prime is 2721361198939. The next prime is 2721361198961. The reversal of 2721361198960 is 698911631272.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2721361198961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17008507414 + ... + 17008507573.

Almost surely, 2^{2721361198960} is an apocalyptic number.

2721361198960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2721361198960 is an abundant number, since it is smaller than the sum of its proper divisors (3605803588808).

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

2721361198960 is a wasteful number, since it uses less digits than its factorization.

2721361198960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34017015000 (or 34017014994 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 2721361198960 in words is "two trillion, seven hundred twenty-one billion, three hundred sixty-one million, one hundred ninety-eight thousand, nine hundred sixty".