190825286418 has 48 divisors (see below), whose sum is σ = 449849354136. Its totient is φ = 58110151680.

The previous prime is 190825286411. The next prime is 190825286441. The reversal of 190825286418 is 814682528091.

It can be written as a sum of positive squares in 4 ways, for example, as 165191034969 + 25634251449 = 406437^2 + 160107^2 .

It is not an unprimeable number, because it can be changed into a prime (190825286411) 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 23 ways as a sum of consecutive naturals, for example, 4180873 + ... + 4226268.

Almost surely, 2^190825286418 is an apocalyptic number.

190825286418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

190825286418 is an abundant number, since it is smaller than the sum of its proper divisors (259024067718).

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

190825286418 is a wasteful number, since it uses less digits than its factorization.

190825286418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8407259 (or 8407256 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 54.

The spelling of 190825286418 in words is "one hundred ninety billion, eight hundred twenty-five million, two hundred eighty-six thousand, four hundred eighteen".