401042212544 has 28 divisors (see below), whose sum is σ = 796094928000. Its totient is φ = 200451364608.

The previous prime is 401042212541. The next prime is 401042212559. The reversal of 401042212544 is 445212240104.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (401042212541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904019 + ... + 1272530.

Almost surely, 2^401042212544 is an apocalyptic number.

It is an amenable number.

401042212544 is a deficient number, since it is larger than the sum of its proper divisors (395052715456).

401042212544 is a wasteful number, since it uses less digits than its factorization.

401042212544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179440 (or 2179430 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 401042212544 its reverse (445212240104), we get a palindrome (846254452648).

The spelling of 401042212544 in words is "four hundred one billion, forty-two million, two hundred twelve thousand, five hundred forty-four".