3421345140 has 72 divisors (see below), whose sum is σ = 10436156640. Its totient is φ = 907253184.

The previous prime is 3421345127. The next prime is 3421345141. The reversal of 3421345140 is 415431243.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421345141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20874 + ... + 85313.

It is an arithmetic number, because the mean of its divisors is an integer number (144946620).

Almost surely, 2^3421345140 is an apocalyptic number.

3421345140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3421345140 is an abundant number, since it is smaller than the sum of its proper divisors (7014811500).

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

3421345140 is a wasteful number, since it uses less digits than its factorization.

3421345140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106381 (or 106376 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 3421345140 is about 58492.2656425617. The cubic root of 3421345140 is about 1506.8347567662.

Adding to 3421345140 its reverse (415431243), we get a palindrome (3836776383).

The spelling of 3421345140 in words is "three billion, four hundred twenty-one million, three hundred forty-five thousand, one hundred forty".