2620171242 has 24 divisors (see below), whose sum is σ = 6113733444. Its totient is φ = 806206464.

The previous prime is 2620171241. The next prime is 2620171271. The reversal of 2620171242 is 2421710262.

2620171242 is a `hidden beast` number, since 2 + 620 + 17 + 1 + 24 + 2 = 666.

2620171242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2424479121 + 195692121 = 49239^2 + 13989^2 .

It is not an unprimeable number, because it can be changed into a prime (2620171241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5598423 + ... + 5598890.

Almost surely, 2^2620171242 is an apocalyptic number.

2620171242 is an abundant number, since it is smaller than the sum of its proper divisors (3493562202).

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

2620171242 is a wasteful number, since it uses less digits than its factorization.

2620171242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11197334 (or 11197331 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2620171242 is about 51187.6082855997. The cubic root of 2620171242 is about 1378.6157164838.

The spelling of 2620171242 in words is "two billion, six hundred twenty million, one hundred seventy-one thousand, two hundred forty-two".