3420440243 has 8 divisors (see below), whose sum is σ = 3739705200. Its totient is φ = 3102561280.

The previous prime is 3420440183. The next prime is 3420440267.

3420440243 is nontrivially palindromic in base 10.

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 3420440243 - 2¹⁴ = 3420423859 is a prime.

It is a super-2 number, since 2×3420440243² = 23398822911867798098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3420449243) 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, 341330 + ... + 351207.

It is an arithmetic number, because the mean of its divisors is an integer number (467463150).

Almost surely, 2^3420440243 is an apocalyptic number.

3420440243 is a deficient number, since it is larger than the sum of its proper divisors (319264957).

3420440243 is a wasteful number, since it uses less digits than its factorization.

3420440243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692997.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 3420440243 is about 58484.5299459609. The cubic root of 3420440243 is about 1506.7018996175.

It can be divided in two parts, 34204 and 40243, that added together give a palindrome (74447).

The spelling of 3420440243 in words is "three billion, four hundred twenty million, four hundred forty thousand, two hundred forty-three".