401120240440 has 32 divisors (see below), whose sum is σ = 902540666160. Its totient is φ = 160444518400.

The previous prime is 401120240431. The next prime is 401120240449. The reversal of 401120240440 is 44042021104.

It is an interprime number because it is at equal distance from previous prime (401120240431) and next prime (401120240449).

It is a super-2 number, since 2×401120240440² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401120240449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2402475 + ... + 2564005.

Almost surely, 2^401120240440 is an apocalyptic number.

401120240440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401120240440 is an abundant number, since it is smaller than the sum of its proper divisors (501420425720).

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

401120240440 is a wasteful number, since it uses less digits than its factorization.

401120240440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223623 (or 223619 counting only the distinct ones).

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

Adding to 401120240440 its reverse (44042021104), we get a palindrome (445162261544).

The spelling of 401120240440 in words is "four hundred one billion, one hundred twenty million, two hundred forty thousand, four hundred forty".