401401232232 has 128 divisors (see below), whose sum is σ = 1347360860160. Its totient is φ = 96240049920.

The previous prime is 401401232207. The next prime is 401401232249. The reversal of 401401232232 is 232232104104.

It is a happy number.

It is a super-2 number, since 2×401401232232² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8330148 + ... + 8378195.

It is an arithmetic number, because the mean of its divisors is an integer number (10526256720).

Almost surely, 2^401401232232 is an apocalyptic number.

401401232232 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

401401232232 is an abundant number, since it is smaller than the sum of its proper divisors (945959627928).

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

401401232232 is a wasteful number, since it uses less digits than its factorization.

401401232232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16708383 (or 16708379 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 401401232232 its reverse (232232104104), we get a palindrome (633633336336).

The spelling of 401401232232 in words is "four hundred one billion, four hundred one million, two hundred thirty-two thousand, two hundred thirty-two".