3402420340 has 24 divisors (see below), whose sum is σ = 7794636192. Its totient is φ = 1237243680.

The previous prime is 3402420317. The next prime is 3402420367. The reversal of 3402420340 is 430242043.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7732554 + ... + 7732993.

It is an arithmetic number, because the mean of its divisors is an integer number (324776508).

Almost surely, 2^3402420340 is an apocalyptic number.

It is an amenable number.

3402420340 is an abundant number, since it is smaller than the sum of its proper divisors (4392215852).

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

3402420340 is a wasteful number, since it uses less digits than its factorization.

3402420340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15465567 (or 15465565 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 3402420340 is about 58330.2695004918. The cubic root of 3402420340 is about 1504.0513206090.

Adding to 3402420340 its reverse (430242043), we get a palindrome (3832662383).

The spelling of 3402420340 in words is "three billion, four hundred two million, four hundred twenty thousand, three hundred forty".