401223331042 has 16 divisors (see below), whose sum is σ = 637374900672. Its totient is φ = 189025396560.

The previous prime is 401223331013. The next prime is 401223331057. The reversal of 401223331042 is 240133322104.

It is a super-2 number, since 2×401223331042² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401223330998 and 401223331016.

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, 65088309 + ... + 65094472.

It is an arithmetic number, because the mean of its divisors is an integer number (39835931292).

Almost surely, 2^401223331042 is an apocalyptic number.

401223331042 is a deficient number, since it is larger than the sum of its proper divisors (236151569630).

401223331042 is a wasteful number, since it uses less digits than its factorization.

401223331042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130182873.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 401223331042 its reverse (240133322104), we get a palindrome (641356653146).

The spelling of 401223331042 in words is "four hundred one billion, two hundred twenty-three million, three hundred thirty-one thousand, forty-two".