401330240232 has 32 divisors (see below), whose sum is σ = 1003777478880. Its totient is φ = 133716496320.

The previous prime is 401330240231. The next prime is 401330240251. The reversal of 401330240232 is 232042033104.

It is a super-3 number, since 3×401330240232³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is not an unprimeable number, because it can be changed into a prime (401330240231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3711238 + ... + 3817845.

It is an arithmetic number, because the mean of its divisors is an integer number (31368046215).

Almost surely, 2^401330240232 is an apocalyptic number.

It is an amenable number.

401330240232 is an abundant number, since it is smaller than the sum of its proper divisors (602447238648).

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

401330240232 is a wasteful number, since it uses less digits than its factorization.

401330240232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7531313 (or 7531309 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 401330240232 its reverse (232042033104), we get a palindrome (633372273336).

The spelling of 401330240232 in words is "four hundred one billion, three hundred thirty million, two hundred forty thousand, two hundred thirty-two".