90344435255 has 4 divisors (see below), whose sum is σ = 108413322312. Its totient is φ = 72275548200.

The previous prime is 90344435243. The next prime is 90344435303. The reversal of 90344435255 is 55253444309.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 90344435255 - 2¹⁰ = 90344434231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9034443521 + ... + 9034443530.

It is an arithmetic number, because the mean of its divisors is an integer number (27103330578).

Almost surely, 2^90344435255 is an apocalyptic number.

90344435255 is a deficient number, since it is larger than the sum of its proper divisors (18068887057).

90344435255 is a wasteful number, since it uses less digits than its factorization.

90344435255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18068887056.

The product of its (nonzero) digits is 1296000, while the sum is 44.

The spelling of 90344435255 in words is "ninety billion, three hundred forty-four million, four hundred thirty-five thousand, two hundred fifty-five".