9018491088 has 20 divisors (see below), whose sum is σ = 23297768768. Its totient is φ = 3006163680.

The previous prime is 9018491087. The next prime is 9018491101. The reversal of 9018491088 is 8801948109.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 187885231 = 9018491088 / (9 + 0 + 1 + 8 + 4 + 9 + 1 + 0 + 8 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9018491087) 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, 93942568 + ... + 93942663.

Almost surely, 2^9018491088 is an apocalyptic number.

It is an amenable number.

9018491088 is an abundant number, since it is smaller than the sum of its proper divisors (14279277680).

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

9018491088 is a wasteful number, since it uses less digits than its factorization.

9018491088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187885242 (or 187885236 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 48.

The square root of 9018491088 is about 94965.7363895000. The cubic root of 9018491088 is about 2081.5074045872.

The spelling of 9018491088 in words is "nine billion, eighteen million, four hundred ninety-one thousand, eighty-eight".