90288388041 has 4 divisors (see below), whose sum is σ = 120384517392. Its totient is φ = 60192258692.

The previous prime is 90288388031. The next prime is 90288388079. The reversal of 90288388041 is 14088388209.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90288388041 - 2⁶ = 90288387977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90288388031) 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, 15048064671 + ... + 15048064676.

It is an arithmetic number, because the mean of its divisors is an integer number (30096129348).

Almost surely, 2^90288388041 is an apocalyptic number.

It is an amenable number.

90288388041 is a deficient number, since it is larger than the sum of its proper divisors (30096129351).

90288388041 is a wasteful number, since it uses less digits than its factorization.

90288388041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30096129350.

The product of its (nonzero) digits is 884736, while the sum is 51.

The spelling of 90288388041 in words is "ninety billion, two hundred eighty-eight million, three hundred eighty-eight thousand, forty-one".