2720255919 has 8 divisors (see below), whose sum is σ = 3628101120. Its totient is φ = 1812957336.

The previous prime is 2720255917. The next prime is 2720255939. The reversal of 2720255919 is 9195520272.

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

It is not a de Polignac number, because 2720255919 - 2¹ = 2720255917 is a prime.

It is a super-2 number, since 2×2720255919² = 14799584529709069122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720255917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124897 + ... + 145050.

It is an arithmetic number, because the mean of its divisors is an integer number (453512640).

Almost surely, 2^2720255919 is an apocalyptic number.

2720255919 is a deficient number, since it is larger than the sum of its proper divisors (907845201).

2720255919 is a wasteful number, since it uses less digits than its factorization.

2720255919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273309.

The product of its (nonzero) digits is 113400, while the sum is 42.

The square root of 2720255919 is about 52156.0726953248. The cubic root of 2720255919 is about 1395.9501872946.

The spelling of 2720255919 in words is "two billion, seven hundred twenty million, two hundred fifty-five thousand, nine hundred nineteen".