442240100500545 has 24 divisors (see below), whose sum is σ = 766598218776936. Its totient is φ = 235846398859008.

The previous prime is 442240100500507. The next prime is 442240100500589. The reversal of 442240100500545 is 545005001042244.

442240100500545 is a `hidden beast` number, since 4 + 4 + 2 + 2 + 4 + 0 + 100 + 5 + 0 + 0 + 545 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 86365722275856 + 355874378224689 = 9293316^2 + 18864633^2 .

It is not a de Polignac number, because 442240100500545 - 2⁶ = 442240100500481 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 311535522 + ... + 312951851.

It is an arithmetic number, because the mean of its divisors is an integer number (31941592449039).

Almost surely, 2^{442240100500545} is an apocalyptic number.

442240100500545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

442240100500545 is a deficient number, since it is larger than the sum of its proper divisors (324358118276391).

442240100500545 is a wasteful number, since it uses less digits than its factorization.

442240100500545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624503121 (or 624503118 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

Adding to 442240100500545 its reverse (545005001042244), we get a palindrome (987245101542789).

The spelling of 442240100500545 in words is "four hundred forty-two trillion, two hundred forty billion, one hundred million, five hundred thousand, five hundred forty-five".