190939124544 has 112 divisors (see below), whose sum is σ = 579611142528. Its totient is φ = 54341664768.

The previous prime is 190939124543. The next prime is 190939124549. The reversal of 190939124544 is 445421939091.

It is a happy number.

190939124544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190939124543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69012 + ... + 621804.

Almost surely, 2^190939124544 is an apocalyptic number.

190939124544 is a gapful number since it is divisible by the number (14) 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 190939124544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289805571264).

190939124544 is an abundant number, since it is smaller than the sum of its proper divisors (388672017984).

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

190939124544 is a wasteful number, since it uses less digits than its factorization.

190939124544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553072 (or 553062 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 190939124544 in words is "one hundred ninety billion, nine hundred thirty-nine million, one hundred twenty-four thousand, five hundred forty-four".