442115423352402 has 16 divisors (see below), whose sum is σ = 922675666127040. Its totient is φ = 140964337880432.

The previous prime is 442115423352401. The next prime is 442115423352413. The reversal of 442115423352402 is 204253324511244.

It is not an unprimeable number, because it can be changed into a prime (442115423352401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1601867475777 + ... + 1601867476052.

It is an arithmetic number, because the mean of its divisors is an integer number (57667229132940).

Almost surely, 2^{442115423352402} is an apocalyptic number.

442115423352402 is an abundant number, since it is smaller than the sum of its proper divisors (480560242774638).

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

442115423352402 is a wasteful number, since it uses less digits than its factorization.

442115423352402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203734951857.

The product of its (nonzero) digits is 921600, while the sum is 42.

Adding to 442115423352402 its reverse (204253324511244), we get a palindrome (646368747863646).

The spelling of 442115423352402 in words is "four hundred forty-two trillion, one hundred fifteen billion, four hundred twenty-three million, three hundred fifty-two thousand, four hundred two".