90404501041 has 6 divisors (see below), whose sum is σ = 92913904230. Its totient is φ = 87961134816.

The previous prime is 90404501039. The next prime is 90404501101. The reversal of 90404501041 is 14010540409.

It can be written as a sum of positive squares in 3 ways, for example, as 73216242225 + 17188258816 = 270585^2 + 131104^2 .

It is not a de Polignac number, because 90404501041 - 2¹ = 90404501039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90404501641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33017076 + ... + 33019813.

It is an arithmetic number, because the mean of its divisors is an integer number (15485650705).

Almost surely, 2^90404501041 is an apocalyptic number.

It is an amenable number.

90404501041 is a deficient number, since it is larger than the sum of its proper divisors (2509403189).

90404501041 is an equidigital number, since it uses as much as digits as its factorization.

90404501041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66036963 (or 66036926 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 90404501041 in words is "ninety billion, four hundred four million, five hundred one thousand, forty-one".