3421240432 has 80 divisors (see below), whose sum is σ = 7221234240. Its totient is φ = 1565290496.

The previous prime is 3421240421. The next prime is 3421240441. The reversal of 3421240432 is 2340421243.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3421240397 and 3421240406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1204518 + ... + 1207354.

It is an arithmetic number, because the mean of its divisors is an integer number (90265428).

Almost surely, 2^3421240432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3421240432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3610617120).

3421240432 is an abundant number, since it is smaller than the sum of its proper divisors (3799993808).

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

3421240432 is a wasteful number, since it uses less digits than its factorization.

3421240432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010 (or 3004 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 3421240432 is about 58491.3705772057. The cubic root of 3421240432 is about 1506.8193847164.

Adding to 3421240432 its reverse (2340421243), we get a palindrome (5761661675).

The spelling of 3421240432 in words is "three billion, four hundred twenty-one million, two hundred forty thousand, four hundred thirty-two".