2722279390740 has 720 divisors, whose sum is σ = 10712839737600. Its totient is φ = 573592223232.

The previous prime is 2722279390723. The next prime is 2722279390759. The reversal of 2722279390740 is 470939722272.

2722279390740 is a `hidden beast` number, since 27 + 2 + 227 + 9 + 390 + 7 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 1072184391 + ... + 1072186929.

It is an arithmetic number, because the mean of its divisors is an integer number (14878944080).

Almost surely, 2^{2722279390740} is an apocalyptic number.

2722279390740 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 2722279390740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5356419868800).

2722279390740 is an abundant number, since it is smaller than the sum of its proper divisors (7990560346860).

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

2722279390740 is a wasteful number, since it uses less digits than its factorization.

2722279390740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3626 (or 3608 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 54.

The spelling of 2722279390740 in words is "two trillion, seven hundred twenty-two billion, two hundred seventy-nine million, three hundred ninety thousand, seven hundred forty".