332040646 has 16 divisors (see below), whose sum is σ = 577011744. Its totient is φ = 140353344.

The previous prime is 332040623. The next prime is 332040647. The reversal of 332040646 is 646040233.

It is a super-2 number, since 2×332040646² = 220501981192194632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332040647) 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, 161425 + ... + 163468.

It is an arithmetic number, because the mean of its divisors is an integer number (36063234).

Almost surely, 2^332040646 is an apocalyptic number.

332040646 is a deficient number, since it is larger than the sum of its proper divisors (244971098).

332040646 is a wasteful number, since it uses less digits than its factorization.

332040646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324975.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 332040646 is about 18221.9824936805. The cubic root of 332040646 is about 692.4638138763.

Adding to 332040646 its reverse (646040233), we get a palindrome (978080879).

The spelling of 332040646 in words is "three hundred thirty-two million, forty thousand, six hundred forty-six".