402302142242 has 32 divisors (see below), whose sum is σ = 810230891904. Its totient is φ = 144684086400.

The previous prime is 402302142217. The next prime is 402302142251. The reversal of 402302142242 is 242241203204.

It is a Harshad number since it is a multiple of its sum of digits (26).

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 15 ways as a sum of consecutive naturals, for example, 100473059 + ... + 100477062.

It is an arithmetic number, because the mean of its divisors is an integer number (25319715372).

Almost surely, 2^402302142242 is an apocalyptic number.

402302142242 is an abundant number, since it is smaller than the sum of its proper divisors (407928749662).

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

402302142242 is a wasteful number, since it uses less digits than its factorization.

402302142242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200950154.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 402302142242 its reverse (242241203204), we get a palindrome (644543345446).

The spelling of 402302142242 in words is "four hundred two billion, three hundred two million, one hundred forty-two thousand, two hundred forty-two".