2440042345 has 16 divisors (see below), whose sum is σ = 3157358400. Its totient is φ = 1799550144.

The previous prime is 2440042313. The next prime is 2440042349. The reversal of 2440042345 is 5432400442.

It is a cyclic number.

It is not a de Polignac number, because 2440042345 - 2⁵ = 2440042313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2440042349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27306 + ... + 75004.

It is an arithmetic number, because the mean of its divisors is an integer number (197334900).

Almost surely, 2^2440042345 is an apocalyptic number.

It is an amenable number.

2440042345 is a deficient number, since it is larger than the sum of its proper divisors (717316055).

2440042345 is a wasteful number, since it uses less digits than its factorization.

2440042345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48504.

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 2440042345 is about 49396.7847637880. The cubic root of 2440042345 is about 1346.2708873193.

Adding to 2440042345 its reverse (5432400442), we get a palindrome (7872442787).

The spelling of 2440042345 in words is "two billion, four hundred forty million, forty-two thousand, three hundred forty-five".