90452225409 has 16 divisors (see below), whose sum is σ = 148434421632. Its totient is φ = 47711063808.

The previous prime is 90452225321. The next prime is 90452225411.

90452225409 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 90452225409 - 2¹¹ = 90452223361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90452225449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165663144 + ... + 165663689.

It is an arithmetic number, because the mean of its divisors is an integer number (9277151352).

Almost surely, 2^90452225409 is an apocalyptic number.

It is an amenable number.

90452225409 is a deficient number, since it is larger than the sum of its proper divisors (57982196223).

90452225409 is a wasteful number, since it uses less digits than its factorization.

90452225409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331326856.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 90452225409 in words is "ninety billion, four hundred fifty-two million, two hundred twenty-five thousand, four hundred nine".