3420420240243 has 8 divisors (see below), whose sum is σ = 4584437600256. Its totient is φ = 2268341520200.

The previous prime is 3420420240241. The next prime is 3420420240253.

3420420240243 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 3420420240243 - 2¹ = 3420420240241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3420420240243.

It is not an unprimeable number, because it can be changed into a prime (3420420240241) 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, 2984659323 + ... + 2984660468.

It is an arithmetic number, because the mean of its divisors is an integer number (573054700032).

Almost surely, 2^{3420420240243} is an apocalyptic number.

3420420240243 is a deficient number, since it is larger than the sum of its proper divisors (1164017360013).

3420420240243 is a wasteful number, since it uses less digits than its factorization.

3420420240243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5969319985.

The product of its (nonzero) digits is 36864, while the sum is 30.

It can be divided in two parts, 3420420 and 240243, that added together give a palindrome (3660663).

The spelling of 3420420240243 in words is "three trillion, four hundred twenty billion, four hundred twenty million, two hundred forty thousand, two hundred forty-three".