190274448 has 200 divisors, whose sum is σ = 622404608. Its totient is φ = 49787136.

The previous prime is 190274443. The next prime is 190274449. The reversal of 190274448 is 844472091.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (190274443) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1498161 + ... + 1498287.

Almost surely, 2^190274448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190274448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311202304).

190274448 is an abundant number, since it is smaller than the sum of its proper divisors (432130160).

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

190274448 is a wasteful number, since it uses less digits than its factorization.

190274448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 190274448 is about 13794.0004349717. Note that the first 3 decimals coincide. The cubic root of 190274448 is about 575.1663770587.

The spelling of 190274448 in words is "one hundred ninety million, two hundred seventy-four thousand, four hundred forty-eight".