442002434311550 has 48 divisors (see below), whose sum is σ = 964964696773920. Its totient is φ = 147447916306560.

The previous prime is 442002434311511. The next prime is 442002434311589. The reversal of 442002434311550 is 55113434200244.

It is an interprime number because it is at equal distance from previous prime (442002434311511) and next prime (442002434311589).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17065718105 + ... + 17065744004.

It is an arithmetic number, because the mean of its divisors is an integer number (20103431182790).

Almost surely, 2^{442002434311550} is an apocalyptic number.

442002434311550 is an abundant number, since it is smaller than the sum of its proper divisors (522962262462370).

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

442002434311550 is a wasteful number, since it uses less digits than its factorization.

442002434311550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34131462165 (or 34131462160 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 442002434311550 its reverse (55113434200244), we get a palindrome (497115868511794).

The spelling of 442002434311550 in words is "four hundred forty-two trillion, two billion, four hundred thirty-four million, three hundred eleven thousand, five hundred fifty".