401110220 has 72 divisors (see below), whose sum is σ = 984340896. Its totient is φ = 134493696.

The previous prime is 401110219. The next prime is 401110231. The reversal of 401110220 is 22011104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308612 + ... + 309908.

Almost surely, 2^401110220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492170448).

401110220 is an abundant number, since it is smaller than the sum of its proper divisors (583230676).

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

401110220 is a wasteful number, since it uses less digits than its factorization.

401110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407 (or 1358 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 401110220 is about 20027.7362674866. The cubic root of 401110220 is about 737.4873509274.

Adding to 401110220 its reverse (22011104), we get a palindrome (423121324).

The spelling of 401110220 in words is "four hundred one million, one hundred ten thousand, two hundred twenty".