332640441 has 12 divisors (see below), whose sum is σ = 549120832. Its totient is φ = 190080216.

The previous prime is 332640431. The next prime is 332640493. The reversal of 332640441 is 144046233.

It is not a de Polignac number, because 332640441 - 2⁵ = 332640409 is a prime.

It is a super-2 number, since 2×332640441² = 221299325977348962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (332640401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2639941 + ... + 2640066.

Almost surely, 2^332640441 is an apocalyptic number.

It is an amenable number.

332640441 is a deficient number, since it is larger than the sum of its proper divisors (216480391).

332640441 is a wasteful number, since it uses less digits than its factorization.

332640441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280020 (or 5280017 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 332640441 is about 18238.4330741432. The cubic root of 332640441 is about 692.8805163719.

Adding to 332640441 its reverse (144046233), we get a palindrome (476686674).

The spelling of 332640441 in words is "three hundred thirty-two million, six hundred forty thousand, four hundred forty-one".