190441728 has 54 divisors (see below), whose sum is σ = 549097094. Its totient is φ = 63479808.

The previous prime is 190441723. The next prime is 190441729. The reversal of 190441728 is 827144091.

190441728 is a `hidden beast` number, since 190 + 441 + 7 + 28 = 666.

It can be written as a sum of positive squares in only one way, i.e., 169208064 + 21233664 = 13008^2 + 4608^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 190441692 and 190441701.

It is not an unprimeable number, because it can be changed into a prime (190441723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39025 + ... + 43632.

Almost surely, 2^190441728 is an apocalyptic number.

190441728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

190441728 is an abundant number, since it is smaller than the sum of its proper divisors (358655366).

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

190441728 is an equidigital number, since it uses as much as digits as its factorization.

190441728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82679 (or 82662 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 190441728 is about 13800.0626085536. The cubic root of 190441728 is about 575.3348804159.

The spelling of 190441728 in words is "one hundred ninety million, four hundred forty-one thousand, seven hundred twenty-eight".