401103044440 has 32 divisors (see below), whose sum is σ = 1031407829280. Its totient is φ = 137521043712.

The previous prime is 401103044437. The next prime is 401103044471. The reversal of 401103044440 is 44440301104.

It is a happy number.

It is a super-2 number, since 2×401103044440² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716255157 + ... + 716255716.

It is an arithmetic number, because the mean of its divisors is an integer number (32231494665).

Almost surely, 2^401103044440 is an apocalyptic number.

401103044440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401103044440 is an abundant number, since it is smaller than the sum of its proper divisors (630304784840).

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

401103044440 is a wasteful number, since it uses less digits than its factorization.

401103044440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432510891 (or 1432510887 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 401103044440 its reverse (44440301104), we get a palindrome (445543345544).

The spelling of 401103044440 in words is "four hundred one billion, one hundred three million, forty-four thousand, four hundred forty".