442351433223550 has 12 divisors (see below), whose sum is σ = 822773665795896. Its totient is φ = 176940573289400.

The previous prime is 442351433223541. The next prime is 442351433223559. The reversal of 442351433223550 is 55322334153244.

It is an interprime number because it is at equal distance from previous prime (442351433223541) and next prime (442351433223559).

It is a self number, because there is not a number n which added to its sum of digits gives 442351433223550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442351433223559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4423514332186 + ... + 4423514332285.

It is an arithmetic number, because the mean of its divisors is an integer number (68564472149658).

Almost surely, 2^{442351433223550} is an apocalyptic number.

442351433223550 is a deficient number, since it is larger than the sum of its proper divisors (380422232572346).

442351433223550 is a wasteful number, since it uses less digits than its factorization.

442351433223550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8847028664483 (or 8847028664478 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 46.

Adding to 442351433223550 its reverse (55322334153244), we get a palindrome (497673767376794).

The spelling of 442351433223550 in words is "four hundred forty-two trillion, three hundred fifty-one billion, four hundred thirty-three million, two hundred twenty-three thousand, five hundred fifty".