3401355420 has 72 divisors (see below), whose sum is σ = 10339982016. Its totient is φ = 905046912.

The previous prime is 3401355403. The next prime is 3401355421. The reversal of 3401355420 is 245531043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3401355421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62934 + ... + 103746.

Almost surely, 2^3401355420 is an apocalyptic number.

3401355420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3401355420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5169991008).

3401355420 is an abundant number, since it is smaller than the sum of its proper divisors (6938626596).

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

3401355420 is a wasteful number, since it uses less digits than its factorization.

3401355420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41291 (or 41286 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 3401355420 is about 58321.1404209486. The cubic root of 3401355420 is about 1503.8943870827.

Adding to 3401355420 its reverse (245531043), we get a palindrome (3646886463).

The spelling of 3401355420 in words is "three billion, four hundred one million, three hundred fifty-five thousand, four hundred twenty".