402212113552 has 40 divisors (see below), whose sum is σ = 821252079360. Its totient is φ = 190300636800.

The previous prime is 402212113549. The next prime is 402212113561. The reversal of 402212113552 is 255311212204.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 402212113552.

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, 504199 + ... + 1028902.

It is an arithmetic number, because the mean of its divisors is an integer number (20531301984).

Almost surely, 2^402212113552 is an apocalyptic number.

It is an amenable number.

402212113552 is an abundant number, since it is smaller than the sum of its proper divisors (419039965808).

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

402212113552 is a wasteful number, since it uses less digits than its factorization.

402212113552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533991 (or 1533985 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 402212113552 its reverse (255311212204), we get a palindrome (657523325756).

The spelling of 402212113552 in words is "four hundred two billion, two hundred twelve million, one hundred thirteen thousand, five hundred fifty-two".