3421163520 has 416 divisors, whose sum is σ = 12738643200. Its totient is φ = 869400576.

The previous prime is 3421163483. The next prime is 3421163531. The reversal of 3421163520 is 253611243.

3421163520 is a `hidden beast` number, since 3 + 4 + 2 + 1 + 1 + 635 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12717946 + ... + 12718214.

Almost surely, 2^3421163520 is an apocalyptic number.

3421163520 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 3421163520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6369321600).

3421163520 is an abundant number, since it is smaller than the sum of its proper divisors (9317479680).

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

3421163520 is a wasteful number, since it uses less digits than its factorization.

3421163520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 3421163520 is about 58490.7131090056. The cubic root of 3421163520 is about 1506.8080931626.

Adding to 3421163520 its reverse (253611243), we get a palindrome (3674774763).

The spelling of 3421163520 in words is "three billion, four hundred twenty-one million, one hundred sixty-three thousand, five hundred twenty".