401311243004 has 12 divisors (see below), whose sum is σ = 802622486064. Its totient is φ = 171990532704.

The previous prime is 401311242989. The next prime is 401311243027. The reversal of 401311243004 is 400342113104.

401311243004 is an admirable number.

It is a super-2 number, since 2×401311243004² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7166272169 + ... + 7166272224.

It is an arithmetic number, because the mean of its divisors is an integer number (66885207172).

Almost surely, 2^401311243004 is an apocalyptic number.

It is an amenable number.

401311243004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

401311243004 is a wasteful number, since it uses less digits than its factorization.

401311243004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14332544404 (or 14332544402 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 401311243004 its reverse (400342113104), we get a palindrome (801653356108).

The spelling of 401311243004 in words is "four hundred one billion, three hundred eleven million, two hundred forty-three thousand, four".