401185860 has 48 divisors (see below), whose sum is σ = 1130785152. Its totient is φ = 106272000.

The previous prime is 401185801. The next prime is 401185871. The reversal of 401185860 is 68581104.

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, 13081 + ... + 31200.

It is an arithmetic number, because the mean of its divisors is an integer number (23558024).

Almost surely, 2^401185860 is an apocalyptic number.

It is an amenable number.

401185860 is an abundant number, since it is smaller than the sum of its proper divisors (729599292).

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

401185860 is a wasteful number, since it uses less digits than its factorization.

401185860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44444 (or 44442 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 401185860 is about 20029.6245596367. The cubic root of 401185860 is about 737.5337056318.

The spelling of 401185860 in words is "four hundred one million, one hundred eighty-five thousand, eight hundred sixty".