401041312 has 24 divisors (see below), whose sum is σ = 902343456. Its totient is φ = 171874752.

The previous prime is 401041307. The next prime is 401041321. The reversal of 401041312 is 213140104.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 894958 + ... + 895405.

It is an arithmetic number, because the mean of its divisors is an integer number (37597644).

Almost surely, 2^401041312 is an apocalyptic number.

It is an amenable number.

401041312 is an abundant number, since it is smaller than the sum of its proper divisors (501302144).

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

401041312 is a wasteful number, since it uses less digits than its factorization.

401041312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790380 (or 1790372 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 401041312 is about 20026.0158793505. The cubic root of 401041312 is about 737.4451167431.

Adding to 401041312 its reverse (213140104), we get a palindrome (614181416).

The spelling of 401041312 in words is "four hundred one million, forty-one thousand, three hundred twelve".