190789773120 has 336 divisors, whose sum is σ = 670783997520. Its totient is φ = 49755783168.

The previous prime is 190789773107. The next prime is 190789773131. The reversal of 190789773120 is 21377987091.

190789773120 is a `hidden beast` number, since 190 + 78 + 9 + 77 + 312 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 7427681856 + 183362091264 = 86184^2 + 428208^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51437826 + ... + 51441534.

It is an arithmetic number, because the mean of its divisors is an integer number (1996380945).

Almost surely, 2^190789773120 is an apocalyptic number.

190789773120 is a gapful number since it is divisible by the number (10) 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 190789773120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335391998760).

190789773120 is an abundant number, since it is smaller than the sum of its proper divisors (479994224400).

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

190789773120 is a wasteful number, since it uses less digits than its factorization.

190789773120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4122 (or 4109 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 54.

The spelling of 190789773120 in words is "one hundred ninety billion, seven hundred eighty-nine million, seven hundred seventy-three thousand, one hundred twenty".