332040021 has 8 divisors (see below), whose sum is σ = 447284544. Its totient is φ = 219077760.

The previous prime is 332040001. The next prime is 332040047. The reversal of 332040021 is 120040233.

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

It is not a de Polignac number, because 332040021 - 2⁶ = 332039957 is a prime.

It is a super-2 number, since 2×332040021² = 220501151091360882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332040001) 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, 570225 + ... + 570806.

It is an arithmetic number, because the mean of its divisors is an integer number (55910568).

Almost surely, 2^332040021 is an apocalyptic number.

It is an amenable number.

332040021 is a deficient number, since it is larger than the sum of its proper divisors (115244523).

332040021 is a wasteful number, since it uses less digits than its factorization.

332040021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141131.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 332040021 is about 18221.9653440566. The cubic root of 332040021 is about 692.4633794013.

Adding to 332040021 its reverse (120040233), we get a palindrome (452080254).

The spelling of 332040021 in words is "three hundred thirty-two million, forty thousand, twenty-one".