401043504 has 20 divisors (see below), whose sum is σ = 1036029176. Its totient is φ = 133681152.

The previous prime is 401043451. The next prime is 401043529. The reversal of 401043504 is 405340104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4177489 + ... + 4177584.

Almost surely, 2^401043504 is an apocalyptic number.

It is an amenable number.

401043504 is an abundant number, since it is smaller than the sum of its proper divisors (634985672).

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

401043504 is a wasteful number, since it uses less digits than its factorization.

401043504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8355084 (or 8355078 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 401043504 is about 20026.0706080849. The cubic root of 401043504 is about 737.4464603094.

Adding to 401043504 its reverse (405340104), we get a palindrome (806383608).

The spelling of 401043504 in words is "four hundred one million, forty-three thousand, five hundred four".