3421433520 has 200 divisors, whose sum is σ = 11931780960. Its totient is φ = 908651520.

The previous prime is 3421433437. The next prime is 3421433537. The reversal of 3421433520 is 253341243.

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 polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1819941 + ... + 1821819.

Almost surely, 2^3421433520 is an apocalyptic number.

3421433520 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 3421433520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5965890480).

3421433520 is an abundant number, since it is smaller than the sum of its proper divisors (8510347440).

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

3421433520 is a wasteful number, since it uses less digits than its factorization.

3421433520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185 (or 2170 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 3421433520 is about 58493.0211221817. The cubic root of 3421433520 is about 1506.8477314787.

Adding to 3421433520 its reverse (253341243), we get a palindrome (3674774763).

The spelling of 3421433520 in words is "three billion, four hundred twenty-one million, four hundred thirty-three thousand, five hundred twenty".