2720258145 has 192 divisors, whose sum is σ = 5749885440. Its totient is φ = 1174118400.

The previous prime is 2720258143. The next prime is 2720258159. The reversal of 2720258145 is 5418520272.

It is a happy number.

2720258145 is a `hidden beast` number, since 2 + 72 + 0 + 2 + 581 + 4 + 5 = 666.

It is not a de Polignac number, because 2720258145 - 2¹ = 2720258143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2720258143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 17326407 + ... + 17326563.

It is an arithmetic number, because the mean of its divisors is an integer number (29947320).

Almost surely, 2^2720258145 is an apocalyptic number.

It is an amenable number.

2720258145 is an abundant number, since it is smaller than the sum of its proper divisors (3029627295).

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

2720258145 is a wasteful number, since it uses less digits than its factorization.

2720258145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 2720258145 is about 52156.0940351173. The cubic root of 2720258145 is about 1395.9505680657.

The spelling of 2720258145 in words is "two billion, seven hundred twenty million, two hundred fifty-eight thousand, one hundred forty-five".