401022324240 has 80 divisors (see below), whose sum is σ = 1251087597888. Its totient is φ = 106258134528.

The previous prime is 401022324187. The next prime is 401022324251. The reversal of 401022324240 is 42423220104.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 401022324240.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5283742 + ... + 5359101.

Almost surely, 2^401022324240 is an apocalyptic number.

401022324240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401022324240 is an abundant number, since it is smaller than the sum of its proper divisors (850065273648).

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

401022324240 is a wasteful number, since it uses less digits than its factorization.

401022324240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10643016 (or 10643010 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 401022324240 its reverse (42423220104), we get a palindrome (443445544344).

The spelling of 401022324240 in words is "four hundred one billion, twenty-two million, three hundred twenty-four thousand, two hundred forty".