2440601257 has 4 divisors (see below), whose sum is σ = 2481967440. Its totient is φ = 2399235076.

The previous prime is 2440601237. The next prime is 2440601299. The reversal of 2440601257 is 7521060442.

2440601257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2440601257 - 2¹¹ = 2440599209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2440601237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20683003 + ... + 20683120.

It is an arithmetic number, because the mean of its divisors is an integer number (620491860).

Almost surely, 2^2440601257 is an apocalyptic number.

It is an amenable number.

2440601257 is a deficient number, since it is larger than the sum of its proper divisors (41366183).

2440601257 is an equidigital number, since it uses as much as digits as its factorization.

2440601257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41366182.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 2440601257 is about 49402.4418121210. The cubic root of 2440601257 is about 1346.3736709878.

Adding to 2440601257 its reverse (7521060442), we get a palindrome (9961661699).

The spelling of 2440601257 in words is "two billion, four hundred forty million, six hundred one thousand, two hundred fifty-seven".