401045321244 has 24 divisors (see below), whose sum is σ = 940522535568. Its totient is φ = 133003185280.

The previous prime is 401045321227. The next prime is 401045321249. The reversal of 401045321244 is 442123540104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401045321249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84821097 + ... + 84825824.

It is an arithmetic number, because the mean of its divisors is an integer number (39188438982).

Almost surely, 2^401045321244 is an apocalyptic number.

It is an amenable number.

401045321244 is an abundant number, since it is smaller than the sum of its proper divisors (539477214324).

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

401045321244 is a wasteful number, since it uses less digits than its factorization.

401045321244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169647125 (or 169647123 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 401045321244 its reverse (442123540104), we get a palindrome (843168861348).

The spelling of 401045321244 in words is "four hundred one billion, forty-five million, three hundred twenty-one thousand, two hundred forty-four".