400224876 has 24 divisors (see below), whose sum is σ = 936036864. Its totient is φ = 133097040.

The previous prime is 400224857. The next prime is 400224887. The reversal of 400224876 is 678422004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33520 + ... + 43863.

It is an arithmetic number, because the mean of its divisors is an integer number (39001536).

Almost surely, 2^400224876 is an apocalyptic number.

It is an amenable number.

400224876 is an abundant number, since it is smaller than the sum of its proper divisors (535811988).

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

400224876 is a wasteful number, since it uses less digits than its factorization.

400224876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77821 (or 77819 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 400224876 is about 20005.6211100780. The cubic root of 400224876 is about 736.9443489059.

The spelling of 400224876 in words is "four hundred million, two hundred twenty-four thousand, eight hundred seventy-six".