190300440 has 64 divisors (see below), whose sum is σ = 622805760. Its totient is φ = 46133120.

The previous prime is 190300433. The next prime is 190300441. The reversal of 190300440 is 44003091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190300441) 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 15 ways as a sum of consecutive naturals, for example, 70764 + ... + 73403.

It is an arithmetic number, because the mean of its divisors is an integer number (9731340).

Almost surely, 2^190300440 is an apocalyptic number.

190300440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190300440 is an abundant number, since it is smaller than the sum of its proper divisors (432505320).

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

190300440 is a wasteful number, since it uses less digits than its factorization.

190300440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144192 (or 144188 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 190300440 is about 13794.9425515295. The cubic root of 190300440 is about 575.1925656229.

The spelling of 190300440 in words is "one hundred ninety million, three hundred thousand, four hundred forty".