2040601257 has 12 divisors (see below), whose sum is σ = 3042617344. Its totient is φ = 1316516760.

The previous prime is 2040601243. The next prime is 2040601267. The reversal of 2040601257 is 7521060402.

2040601257 is a `hidden beast` number, since 2 + 0 + 4 + 0 + 601 + 2 + 57 = 666.

It is not a de Polignac number, because 2040601257 - 2¹⁴ = 2040584873 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 2040601257.

It is not an unprimeable number, because it can be changed into a prime (2040601207) 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, 3656713 + ... + 3657270.

Almost surely, 2^2040601257 is an apocalyptic number.

It is an amenable number.

2040601257 is a deficient number, since it is larger than the sum of its proper divisors (1002016087).

2040601257 is a wasteful number, since it uses less digits than its factorization.

2040601257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7314020 (or 7314017 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2040601257 is about 45173.0146990435. The cubic root of 2040601257 is about 1268.3897290491.

Adding to 2040601257 its reverse (7521060402), we get a palindrome (9561661659).

The spelling of 2040601257 in words is "two billion, forty million, six hundred one thousand, two hundred fifty-seven".