3402421420 has 24 divisors (see below), whose sum is σ = 7178956848. Its totient is φ = 1354516800.

The previous prime is 3402421391. The next prime is 3402421453. The reversal of 3402421420 is 241242043.

It is a happy number.

3402421420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3402421391 and 3402421400.

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, 398911 + ... + 407350.

It is an arithmetic number, because the mean of its divisors is an integer number (299123202).

Almost surely, 2^3402421420 is an apocalyptic number.

It is an amenable number.

3402421420 is an abundant number, since it is smaller than the sum of its proper divisors (3776535428).

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

3402421420 is a wasteful number, since it uses less digits than its factorization.

3402421420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806481 (or 806479 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 3402421420 is about 58330.2787581201. The cubic root of 3402421420 is about 1504.0514797482.

Adding to 3402421420 its reverse (241242043), we get a palindrome (3643663463).

The spelling of 3402421420 in words is "three billion, four hundred two million, four hundred twenty-one thousand, four hundred twenty".