3402131420 has 24 divisors (see below), whose sum is σ = 7242348624. Its totient is φ = 1342210176.

The previous prime is 3402131419. The next prime is 3402131437. The reversal of 3402131420 is 241312043.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3402131392 and 3402131401.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1163654 + ... + 1166573.

It is an arithmetic number, because the mean of its divisors is an integer number (301764526).

Almost surely, 2^3402131420 is an apocalyptic number.

It is an amenable number.

3402131420 is an abundant number, since it is smaller than the sum of its proper divisors (3840217204).

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

3402131420 is a wasteful number, since it uses less digits than its factorization.

3402131420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330309 (or 2330307 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3402131420 is about 58327.7928606938. The cubic root of 3402131420 is about 1504.0087467190.

Adding to 3402131420 its reverse (241312043), we get a palindrome (3643443463).

The spelling of 3402131420 in words is "three billion, four hundred two million, one hundred thirty-one thousand, four hundred twenty".