401344311052 has 6 divisors (see below), whose sum is σ = 702352544348. Its totient is φ = 200672155524.

The previous prime is 401344311037. The next prime is 401344311059. The reversal of 401344311052 is 250113443104.

It is a super-2 number, since 2×401344311052² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401344311052.

It is not an unprimeable number, because it can be changed into a prime (401344311059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50168038878 + ... + 50168038885.

Almost surely, 2^401344311052 is an apocalyptic number.

It is an amenable number.

401344311052 is a deficient number, since it is larger than the sum of its proper divisors (301008233296).

401344311052 is a wasteful number, since it uses less digits than its factorization.

401344311052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100336077767 (or 100336077765 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 401344311052 its reverse (250113443104), we get a palindrome (651457754156).

The spelling of 401344311052 in words is "four hundred one billion, three hundred forty-four million, three hundred eleven thousand, fifty-two".