2721700212440 has 32 divisors (see below), whose sum is σ = 6680536886160. Its totient is φ = 989709168000.

The previous prime is 2721700212433. The next prime is 2721700212463. The reversal of 2721700212440 is 442120071272.

It is a super-2 number, since 2×2721700212440² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2721700212397 and 2721700212406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3092840711 + ... + 3092841590.

Almost surely, 2^{2721700212440} is an apocalyptic number.

2721700212440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2721700212440 is an abundant number, since it is smaller than the sum of its proper divisors (3958836673720).

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

2721700212440 is a wasteful number, since it uses less digits than its factorization.

2721700212440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6185682323 (or 6185682319 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The spelling of 2721700212440 in words is "two trillion, seven hundred twenty-one billion, seven hundred million, two hundred twelve thousand, four hundred forty".