401883220 has 24 divisors (see below), whose sum is σ = 858261600. Its totient is φ = 158028192.

The previous prime is 401883211. The next prime is 401883227. The reversal of 401883220 is 22388104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401883227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169110 + ... + 171469.

It is an arithmetic number, because the mean of its divisors is an integer number (35760900).

Almost surely, 2^401883220 is an apocalyptic number.

It is an amenable number.

401883220 is an abundant number, since it is smaller than the sum of its proper divisors (456378380).

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

401883220 is a wasteful number, since it uses less digits than its factorization.

401883220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340647 (or 340645 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 401883220 is about 20047.0252157271. The cubic root of 401883220 is about 737.9607967757.

The spelling of 401883220 in words is "four hundred one million, eight hundred eighty-three thousand, two hundred twenty".