190018950 has 48 divisors (see below), whose sum is σ = 514092096. Its totient is φ = 46064800.

The previous prime is 190018949. The next prime is 190018987. The reversal of 190018950 is 59810091.

It is a super-2 number, since 2×190018950² = 72214402718205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55932 + ... + 59231.

It is an arithmetic number, because the mean of its divisors is an integer number (10710252).

Almost surely, 2^190018950 is an apocalyptic number.

190018950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190018950 is an abundant number, since it is smaller than the sum of its proper divisors (324073146).

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

190018950 is a wasteful number, since it uses less digits than its factorization.

190018950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115189 (or 115184 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 190018950 is about 13784.7361236986. The cubic root of 190018950 is about 574.9088198205.

The spelling of 190018950 in words is "one hundred ninety million, eighteen thousand, nine hundred fifty".