90240909160 has 32 divisors (see below), whose sum is σ = 203077274400. Its totient is φ = 36090100800.

The previous prime is 90240909151. The next prime is 90240909169. The reversal of 90240909160 is 6190904209.

It is an interprime number because it is at equal distance from previous prime (90240909151) and next prime (90240909169).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (90240909169) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 41251 + ... + 426829.

It is an arithmetic number, because the mean of its divisors is an integer number (6346164825).

Almost surely, 2^90240909160 is an apocalyptic number.

It is an amenable number.

90240909160 is an abundant number, since it is smaller than the sum of its proper divisors (112836365240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90240909160 is a wasteful number, since it uses less digits than its factorization.

90240909160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391441 (or 391437 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 90240909160 in words is "ninety billion, two hundred forty million, nine hundred nine thousand, one hundred sixty".