90441105064 has 16 divisors (see below), whose sum is σ = 169581777120. Its totient is φ = 45219297840.

The previous prime is 90441105061. The next prime is 90441105107. The reversal of 90441105064 is 46050114409.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (90441105061) 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, 196279 + ... + 468409.

It is an arithmetic number, because the mean of its divisors is an integer number (10598861070).

Almost surely, 2^90441105064 is an apocalyptic number.

It is an amenable number.

90441105064 is a deficient number, since it is larger than the sum of its proper divisors (79140672056).

90441105064 is a wasteful number, since it uses less digits than its factorization.

90441105064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313680 (or 313676 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 90441105064 in words is "ninety billion, four hundred forty-one million, one hundred five thousand, sixty-four".