2720364021792 has 72 divisors (see below), whose sum is σ = 7736765413104. Its totient is φ = 906702413184.

The previous prime is 2720364021787. The next prime is 2720364021821. The reversal of 2720364021792 is 2971204630272.

2720364021792 is a `hidden beast` number, since 2 + 72 + 0 + 3 + 6 + 402 + 179 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×2720364021792² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2647783 + ... + 3528665.

It is an arithmetic number, because the mean of its divisors is an integer number (107455075182).

Almost surely, 2^{2720364021792} is an apocalyptic number.

It is an amenable number.

2720364021792 is an abundant number, since it is smaller than the sum of its proper divisors (5016401391312).

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

2720364021792 is a wasteful number, since it uses less digits than its factorization.

2720364021792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891622 (or 891611 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 2720364021792 in words is "two trillion, seven hundred twenty billion, three hundred sixty-four million, twenty-one thousand, seven hundred ninety-two".