42244402320402 has 8 divisors (see below), whose sum is σ = 84488804640816. Its totient is φ = 14081467440132.

The previous prime is 42244402320389. The next prime is 42244402320431. The reversal of 42244402320402 is 20402320444224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

42244402320402 is an admirable number.

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, 3520366860028 + ... + 3520366860039.

It is an arithmetic number, because the mean of its divisors is an integer number (10561100580102).

Almost surely, 2^{42244402320402} is an apocalyptic number.

42244402320402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42244402320402 is a wasteful number, since it uses less digits than its factorization.

42244402320402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7040733720072.

The product of its (nonzero) digits is 98304, while the sum is 33.

Adding to 42244402320402 its reverse (20402320444224), we get a palindrome (62646722764626).

The spelling of 42244402320402 in words is "forty-two trillion, two hundred forty-four billion, four hundred two million, three hundred twenty thousand, four hundred two".