401023132 has 48 divisors (see below), whose sum is σ = 770811552. Its totient is φ = 181790720.

The previous prime is 401023127. The next prime is 401023153. The reversal of 401023132 is 231320104.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230538 + ... + 232270.

It is an arithmetic number, because the mean of its divisors is an integer number (16058574).

Almost surely, 2^401023132 is an apocalyptic number.

It is an amenable number.

401023132 is a deficient number, since it is larger than the sum of its proper divisors (369788420).

401023132 is a wasteful number, since it uses less digits than its factorization.

401023132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878 (or 1876 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 401023132 is about 20025.5619646491. The cubic root of 401023132 is about 737.4339732903.

Adding to 401023132 its reverse (231320104), we get a palindrome (632343236).

It can be divided in two parts, 40102 and 3132, that added together give a palindrome (43234).

The spelling of 401023132 in words is "four hundred one million, twenty-three thousand, one hundred thirty-two".