402443030232 has 40 divisors (see below), whose sum is σ = 1127213118900. Its totient is φ = 134147676528.

The previous prime is 402443030177. The next prime is 402443030239. The reversal of 402443030232 is 232030344204.

402443030232 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 402443030196 and 402443030205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402443030239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 310526382 + ... + 310527677.

Almost surely, 2^402443030232 is an apocalyptic number.

It is an amenable number.

402443030232 is an abundant number, since it is smaller than the sum of its proper divisors (724770088668).

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

402443030232 is a wasteful number, since it uses less digits than its factorization.

402443030232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621054077 (or 621054064 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 402443030232 its reverse (232030344204), we get a palindrome (634473374436).

The spelling of 402443030232 in words is "four hundred two billion, four hundred forty-three million, thirty thousand, two hundred thirty-two".