402243243132 has 24 divisors (see below), whose sum is σ = 938596888656. Its totient is φ = 134076892288.

The previous prime is 402243243121. The next prime is 402243243163. The reversal of 402243243132 is 231342342204.

It is a self number, because there is not a number n which added to its sum of digits gives 402243243132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110433 + ... + 903704.

It is an arithmetic number, because the mean of its divisors is an integer number (39108203694).

Almost surely, 2^402243243132 is an apocalyptic number.

It is an amenable number.

402243243132 is an abundant number, since it is smaller than the sum of its proper divisors (536353645524).

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

402243243132 is a wasteful number, since it uses less digits than its factorization.

402243243132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047197 (or 1047195 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 402243243132 its reverse (231342342204), we get a palindrome (633585585336).

The spelling of 402243243132 in words is "four hundred two billion, two hundred forty-three million, two hundred forty-three thousand, one hundred thirty-two".