2240040345 has 8 divisors (see below), whose sum is σ = 3584064576. Its totient is φ = 1194688176.

The previous prime is 2240040337. The next prime is 2240040349. The reversal of 2240040345 is 5430400422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2240040345 - 2³ = 2240040337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2240040349) 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 7 ways as a sum of consecutive naturals, for example, 74667997 + ... + 74668026.

It is an arithmetic number, because the mean of its divisors is an integer number (448008072).

Almost surely, 2^2240040345 is an apocalyptic number.

It is an amenable number.

2240040345 is a deficient number, since it is larger than the sum of its proper divisors (1344024231).

2240040345 is a wasteful number, since it uses less digits than its factorization.

2240040345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149336031.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 2240040345 is about 47329.0644847328. The cubic root of 2240040345 is about 1308.4343794551.

Adding to 2240040345 its reverse (5430400422), we get a palindrome (7670440767).

The spelling of 2240040345 in words is "two billion, two hundred forty million, forty thousand, three hundred forty-five".