3402042040 has 32 divisors (see below), whose sum is σ = 8104866480. Its totient is φ = 1280768512.

The previous prime is 3402042013. The next prime is 3402042043. The reversal of 3402042040 is 402402043.

It is a junction number, because it is equal to n+sod(n) for n = 3402041999 and 3402042017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3402042043) 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, 2500822 + ... + 2502181.

Almost surely, 2^3402042040 is an apocalyptic number.

It is an amenable number.

3402042040 is an abundant number, since it is smaller than the sum of its proper divisors (4702824440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3402042040 is a wasteful number, since it uses less digits than its factorization.

3402042040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003031 (or 5003027 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 3402042040 is about 58327.0266686036. The cubic root of 3402042040 is about 1503.9955756151.

Adding to 3402042040 its reverse (402402043), we get a palindrome (3804444083).

The spelling of 3402042040 in words is "three billion, four hundred two million, forty-two thousand, forty".