2720244355 has 8 divisors (see below), whose sum is σ = 3267521712. Its totient is φ = 2174043168.

The previous prime is 2720244349. The next prime is 2720244379. The reversal of 2720244355 is 5534420272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2720244355 - 2²¹ = 2718147203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2720244355.

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, 263469 + ... + 273598.

It is an arithmetic number, because the mean of its divisors is an integer number (408440214).

Almost surely, 2^2720244355 is an apocalyptic number.

2720244355 is a deficient number, since it is larger than the sum of its proper divisors (547277357).

2720244355 is a wasteful number, since it uses less digits than its factorization.

2720244355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538085.

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 2720244355 is about 52155.9618356329. The cubic root of 2720244355 is about 1395.9482091976.

The spelling of 2720244355 in words is "two billion, seven hundred twenty million, two hundred forty-four thousand, three hundred fifty-five".