90243080 has 32 divisors (see below), whose sum is σ = 203523840. Its totient is φ = 36012480.

The previous prime is 90243079. The next prime is 90243113. The reversal of 90243080 is 8034209.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16265 + ... + 21095.

It is an arithmetic number, because the mean of its divisors is an integer number (6360120).

Almost surely, 2^90243080 is an apocalyptic number.

It is an amenable number.

90243080 is an abundant number, since it is smaller than the sum of its proper divisors (113280760).

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

90243080 is a wasteful number, since it uses less digits than its factorization.

90243080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5309 (or 5305 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 90243080 is about 9499.6357824919. The cubic root of 90243080 is about 448.5435711765.

Adding to 90243080 its reverse (8034209), we get a palindrome (98277289).

The spelling of 90243080 in words is "ninety million, two hundred forty-three thousand, eighty".