442131110662550 has 48 divisors (see below), whose sum is σ = 824791762813200. Its totient is φ = 176330403826560.

The previous prime is 442131110662547. The next prime is 442131110662567. The reversal of 442131110662550 is 55266011131244.

It is a junction number, because it is equal to n+sod(n) for n = 442131110662498 and 442131110662507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201099812 + ... + 203286488.

It is an arithmetic number, because the mean of its divisors is an integer number (17183161725275).

Almost surely, 2^{442131110662550} is an apocalyptic number.

442131110662550 is a deficient number, since it is larger than the sum of its proper divisors (382660652150650).

442131110662550 is a wasteful number, since it uses less digits than its factorization.

442131110662550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198625 (or 2198620 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

Adding to 442131110662550 its reverse (55266011131244), we get a palindrome (497397121793794).

The spelling of 442131110662550 in words is "four hundred forty-two trillion, one hundred thirty-one billion, one hundred ten million, six hundred sixty-two thousand, five hundred fifty".