3421232440 has 16 divisors (see below), whose sum is σ = 7697773080. Its totient is φ = 1368492960.

The previous prime is 3421232411. The next prime is 3421232453. The reversal of 3421232440 is 442321243.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42765366 + ... + 42765445.

Almost surely, 2^3421232440 is an apocalyptic number.

It is an amenable number.

3421232440 is an abundant number, since it is smaller than the sum of its proper divisors (4276540640).

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

3421232440 is a wasteful number, since it uses less digits than its factorization.

3421232440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85530822 (or 85530818 counting only the distinct ones).

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

The square root of 3421232440 is about 58491.3022593958. The cubic root of 3421232440 is about 1506.8182114080.

Adding to 3421232440 its reverse (442321243), we get a palindrome (3863553683).

The spelling of 3421232440 in words is "three billion, four hundred twenty-one million, two hundred thirty-two thousand, four hundred forty".