3404940242 has 42 divisors (see below), whose sum is σ = 5805227943. Its totient is φ = 1497774300.

The previous prime is 3404940229. The next prime is 3404940289. The reversal of 3404940242 is 2420494043.

It can be written as a sum of positive squares in only one way, i.e., 1702470121 + 1702470121 = 41261^2 + 41261^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=41261.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3404940199 and 3404940208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 109836767 + ... + 109836797.

Almost surely, 2^3404940242 is an apocalyptic number.

3404940242 is a deficient number, since it is larger than the sum of its proper divisors (2400287701).

3404940242 is an frugal number, since it uses more digits than its factorization.

3404940242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 3404940242 is about 58351.8657970763. The cubic root of 3404940242 is about 1504.4225393564.

Multiplying 3404940242 by its sum of digits (32), we get a square (108958087744 = 330088²).

The spelling of 3404940242 in words is "three billion, four hundred four million, nine hundred forty thousand, two hundred forty-two".