190080090 has 48 divisors (see below), whose sum is σ = 495870336. Its totient is φ = 50517600.

The previous prime is 190080067. The next prime is 190080091. The reversal of 190080090 is 90080091.

It is a super-2 number, since 2×190080090² = 72260881228816200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190080091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24595 + ... + 31385.

It is an arithmetic number, because the mean of its divisors is an integer number (10330632).

Almost surely, 2^190080090 is an apocalyptic number.

190080090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190080090 is an abundant number, since it is smaller than the sum of its proper divisors (305790246).

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

190080090 is a wasteful number, since it uses less digits than its factorization.

190080090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7115 (or 7112 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 190080090 is about 13786.9536156469. The cubic root of 190080090 is about 574.9704735941.

Subtracting from 190080090 its reverse (90080091), we obtain a palindrome (99999999).

The spelling of 190080090 in words is "one hundred ninety million, eighty thousand, ninety".