90303904550444 has 36 divisors (see below), whose sum is σ = 171188520058080. Its totient is φ = 41662822518720.

The previous prime is 90303904550443. The next prime is 90303904550471. The reversal of 90303904550444 is 44405540930309.

It is a junction number, because it is equal to n+sod(n) for n = 90303904550392 and 90303904550401.

It is not an unprimeable number, because it can be changed into a prime (90303904550443) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 23711924 + ... + 27255515.

It is an arithmetic number, because the mean of its divisors is an integer number (4755236668280).

Almost surely, 2^{90303904550444} is an apocalyptic number.

It is an amenable number.

90303904550444 is a deficient number, since it is larger than the sum of its proper divisors (80884615507636).

90303904550444 is a wasteful number, since it uses less digits than its factorization.

90303904550444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50970090 (or 50970075 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 50.

The spelling of 90303904550444 in words is "ninety trillion, three hundred three billion, nine hundred four million, five hundred fifty thousand, four hundred forty-four".