4240332021 has 8 divisors (see below), whose sum is σ = 5654548384. Its totient is φ = 2826501840.

The previous prime is 4240332017. The next prime is 4240332023. The reversal of 4240332021 is 1202330424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4240332021 - 2² = 4240332017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240332023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69871 + ... + 115596.

It is an arithmetic number, because the mean of its divisors is an integer number (706818548).

Almost surely, 2^4240332021 is an apocalyptic number.

It is an amenable number.

4240332021 is a deficient number, since it is larger than the sum of its proper divisors (1414216363).

4240332021 is a wasteful number, since it uses less digits than its factorization.

4240332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193091.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4240332021 is about 65117.8318204776. The cubic root of 4240332021 is about 1618.5767132502.

Adding to 4240332021 its reverse (1202330424), we get a palindrome (5442662445).

The spelling of 4240332021 in words is "four billion, two hundred forty million, three hundred thirty-two thousand, twenty-one".