401440003052 has 24 divisors (see below), whose sum is σ = 776883897552. Its totient is φ = 179973100800.

The previous prime is 401440003051. The next prime is 401440003147. The reversal of 401440003052 is 250300044104.

It is a super-2 number, since 2×401440003052² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401440003051) by changing a digit.

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, 62487449 + ... + 62493872.

It is an arithmetic number, because the mean of its divisors is an integer number (32370162398).

Almost surely, 2^401440003052 is an apocalyptic number.

It is an amenable number.

401440003052 is a deficient number, since it is larger than the sum of its proper divisors (375443894500).

401440003052 is a wasteful number, since it uses less digits than its factorization.

401440003052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124981409 (or 124981407 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 401440003052 its reverse (250300044104), we get a palindrome (651740047156).

The spelling of 401440003052 in words is "four hundred one billion, four hundred forty million, three thousand, fifty-two".