401223042 has 48 divisors (see below), whose sum is σ = 973994112. Its totient is φ = 118294560.

The previous prime is 401223013. The next prime is 401223071. The reversal of 401223042 is 240322104.

401223042 is a `hidden beast` number, since 401 + 223 + 0 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (401223013) and next prime (401223071).

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 20058 + ... + 34709.

It is an arithmetic number, because the mean of its divisors is an integer number (20291544).

Almost surely, 2^401223042 is an apocalyptic number.

401223042 is an abundant number, since it is smaller than the sum of its proper divisors (572771070).

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

401223042 is a wasteful number, since it uses less digits than its factorization.

401223042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54823 (or 54820 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 401223042 is about 20030.5527132928. The cubic root of 401223042 is about 737.5564898605.

Adding to 401223042 its reverse (240322104), we get a palindrome (641545146).

The spelling of 401223042 in words is "four hundred one million, two hundred twenty-three thousand, forty-two".