401330332 has 12 divisors (see below), whose sum is σ = 756353416. Its totient is φ = 185229360.

The previous prime is 401330327. The next prime is 401330353. The reversal of 401330332 is 233033104.

It is a super-2 number, since 2×401330332² = 322132070766460448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3858894 + ... + 3858997.

Almost surely, 2^401330332 is an apocalyptic number.

It is an amenable number.

401330332 is a deficient number, since it is larger than the sum of its proper divisors (355023084).

401330332 is a wasteful number, since it uses less digits than its factorization.

401330332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7717908 (or 7717906 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 401330332 is about 20033.2306930260. The cubic root of 401330332 is about 737.6222266827.

Adding to 401330332 its reverse (233033104), we get a palindrome (634363436).

The spelling of 401330332 in words is "four hundred one million, three hundred thirty thousand, three hundred thirty-two".