190250100 has 144 divisors (see below), whose sum is σ = 631626240. Its totient is φ = 49075200.

The previous prime is 190250083. The next prime is 190250101. The reversal of 190250100 is 1052091.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190250101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82564 + ... + 84836.

Almost surely, 2^190250100 is an apocalyptic number.

190250100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190250100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315813120).

190250100 is an abundant number, since it is smaller than the sum of its proper divisors (441376140).

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

190250100 is a wasteful number, since it uses less digits than its factorization.

190250100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327 (or 2314 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 190250100 is about 13793.1178491304. The cubic root of 190250100 is about 575.1418427637.

The spelling of 190250100 in words is "one hundred ninety million, two hundred fifty thousand, one hundred".