4021032340 has 48 divisors (see below), whose sum is σ = 9305227008. Its totient is φ = 1450157184.

The previous prime is 4021032311. The next prime is 4021032349. The reversal of 4021032340 is 432301204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021032349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168652 + ... + 191011.

It is an arithmetic number, because the mean of its divisors is an integer number (193858896).

Almost surely, 2^4021032340 is an apocalyptic number.

It is an amenable number.

4021032340 is an abundant number, since it is smaller than the sum of its proper divisors (5284194668).

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

4021032340 is a wasteful number, since it uses less digits than its factorization.

4021032340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359728 (or 359726 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4021032340 is about 63411.6104510838. The cubic root of 4021032340 is about 1590.1784196496.

Adding to 4021032340 its reverse (432301204), we get a palindrome (4453333544).

The spelling of 4021032340 in words is "four billion, twenty-one million, thirty-two thousand, three hundred forty".