401343330232 has 64 divisors (see below), whose sum is σ = 818557740000. Its totient is φ = 183379451904.

The previous prime is 401343330203. The next prime is 401343330257. The reversal of 401343330232 is 232033343104.

It is a happy number.

It is a super-2 number, since 2×401343330232² (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 401343330232.

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, 5063644 + ... + 5142292.

Almost surely, 2^401343330232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401343330232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409278870000).

401343330232 is an abundant number, since it is smaller than the sum of its proper divisors (417214409768).

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

401343330232 is a wasteful number, since it uses less digits than its factorization.

401343330232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79160 (or 79156 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 401343330232 its reverse (232033343104), we get a palindrome (633376673336).

The spelling of 401343330232 in words is "four hundred one billion, three hundred forty-three million, three hundred thirty thousand, two hundred thirty-two".