3440140355 has 8 divisors (see below), whose sum is σ = 4135326432. Its totient is φ = 2747340288.

The previous prime is 3440140343. The next prime is 3440140357. The reversal of 3440140355 is 5530410443.

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

It is a cyclic number.

It is not a de Polignac number, because 3440140355 - 2¹⁶ = 3440074819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3440140357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593327 + ... + 599096.

It is an arithmetic number, because the mean of its divisors is an integer number (516915804).

Almost surely, 2^3440140355 is an apocalyptic number.

3440140355 is a deficient number, since it is larger than the sum of its proper divisors (695186077).

3440140355 is a wasteful number, since it uses less digits than its factorization.

3440140355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193005.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 3440140355 is about 58652.7096987002. The cubic root of 3440140355 is about 1509.5889931482.

Adding to 3440140355 its reverse (5530410443), we get a palindrome (8970550798).

The spelling of 3440140355 in words is "three billion, four hundred forty million, one hundred forty thousand, three hundred fifty-five".