401042210440 has 64 divisors (see below), whose sum is σ = 951889132800. Its totient is φ = 151645519872.

The previous prime is 401042210423. The next prime is 401042210441. The reversal of 401042210440 is 44012240104.

It is not an unprimeable number, because it can be changed into a prime (401042210441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217977 + ... + 921736.

It is an arithmetic number, because the mean of its divisors is an integer number (14873267700).

Almost surely, 2^401042210440 is an apocalyptic number.

401042210440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401042210440 is an abundant number, since it is smaller than the sum of its proper divisors (550846922360).

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

401042210440 is a wasteful number, since it uses less digits than its factorization.

401042210440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140206 (or 1140202 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 401042210440 its reverse (44012240104), we get a palindrome (445054450544).

The spelling of 401042210440 in words is "four hundred one billion, forty-two million, two hundred ten thousand, four hundred forty".