401311330332 has 48 divisors (see below), whose sum is σ = 1035513196032. Its totient is φ = 119943607680.

The previous prime is 401311330313. The next prime is 401311330351. The reversal of 401311330332 is 233033113104.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (401311330313) and next prime (401311330351).

It is a super-2 number, since 2×401311330332² (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 15 ways as a sum of consecutive naturals, for example, 20813908 + ... + 20833179.

It is an arithmetic number, because the mean of its divisors is an integer number (21573191584).

Almost surely, 2^401311330332 is an apocalyptic number.

It is an amenable number.

401311330332 is an abundant number, since it is smaller than the sum of its proper divisors (634201865700).

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

401311330332 is a wasteful number, since it uses less digits than its factorization.

401311330332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41647178 (or 41647176 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 401311330332 its reverse (233033113104), we get a palindrome (634344443436).

The spelling of 401311330332 in words is "four hundred one billion, three hundred eleven million, three hundred thirty thousand, three hundred thirty-two".