90409859544266 has 8 divisors (see below), whose sum is σ = 136524955688100. Its totient is φ = 44901540981568.

The previous prime is 90409859544241. The next prime is 90409859544269. The reversal of 90409859544266 is 66244595890409.

90409859544266 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 62559067106041 + 27850792438225 = 7909429^2 + 5277385^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 90409859544266.

It is not an unprimeable number, because it can be changed into a prime (90409859544269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151694394911 + ... + 151694395506.

Almost surely, 2^{90409859544266} is an apocalyptic number.

90409859544266 is a deficient number, since it is larger than the sum of its proper divisors (46115096143834).

90409859544266 is a wasteful number, since it uses less digits than its factorization.

90409859544266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303388790568.

The product of its (nonzero) digits is 671846400, while the sum is 71.

The spelling of 90409859544266 in words is "ninety trillion, four hundred nine billion, eight hundred fifty-nine million, five hundred forty-four thousand, two hundred sixty-six".