401441232 has 40 divisors (see below), whose sum is σ = 1037884960. Its totient is φ = 133706880.

The previous prime is 401441219. The next prime is 401441237. The reversal of 401441232 is 232144104.

It is a super-2 number, since 2×401441232² = 322310125499355648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401441199 and 401441208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401441237) 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, 77607 + ... + 82617.

It is an arithmetic number, because the mean of its divisors is an integer number (25947124).

Almost surely, 2^401441232 is an apocalyptic number.

It is an amenable number.

401441232 is an abundant number, since it is smaller than the sum of its proper divisors (636443728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401441232 is a wasteful number, since it uses less digits than its factorization.

401441232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6691 (or 6685 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 401441232 is about 20035.9984028748. The cubic root of 401441232 is about 737.6901630472.

Adding to 401441232 its reverse (232144104), we get a palindrome (633585336).

The spelling of 401441232 in words is "four hundred one million, four hundred forty-one thousand, two hundred thirty-two".