4240421332 has 48 divisors (see below), whose sum is σ = 8704080000. Its totient is φ = 1770056064.

The previous prime is 4240421323. The next prime is 4240421347. The reversal of 4240421332 is 2331240424.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4240421297 and 4240421306.

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, 168294 + ... + 191842.

It is an arithmetic number, because the mean of its divisors is an integer number (181335000).

Almost surely, 2^4240421332 is an apocalyptic number.

It is an amenable number.

4240421332 is an abundant number, since it is smaller than the sum of its proper divisors (4463658668).

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

4240421332 is a wasteful number, since it uses less digits than its factorization.

4240421332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23728 (or 23726 counting only the distinct ones).

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

The square root of 4240421332 is about 65118.5175814069. The cubic root of 4240421332 is about 1618.5880768014.

Adding to 4240421332 its reverse (2331240424), we get a palindrome (6571661756).

It can be divided in two parts, 42404 and 21332, that added together give a palindrome (63736).

The spelling of 4240421332 in words is "four billion, two hundred forty million, four hundred twenty-one thousand, three hundred thirty-two".