402221361260 has 12 divisors (see below), whose sum is σ = 844664858688. Its totient is φ = 160888544496.

The previous prime is 402221361259. The next prime is 402221361281. The reversal of 402221361260 is 62163122204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10055534012 + ... + 10055534051.

It is an arithmetic number, because the mean of its divisors is an integer number (70388738224).

Almost surely, 2^402221361260 is an apocalyptic number.

It is an amenable number.

402221361260 is an abundant number, since it is smaller than the sum of its proper divisors (442443497428).

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

402221361260 is a wasteful number, since it uses less digits than its factorization.

402221361260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20111068072 (or 20111068070 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 402221361260 its reverse (62163122204), we get a palindrome (464384483464).

The spelling of 402221361260 in words is "four hundred two billion, two hundred twenty-one million, three hundred sixty-one thousand, two hundred sixty".