190377796290 has 128 divisors (see below), whose sum is σ = 507219148800. Its totient is φ = 45340669440.

The previous prime is 190377796289. The next prime is 190377796321. The reversal of 190377796290 is 92697773091.

It is a happy number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 53131839 + ... + 53135421.

It is an arithmetic number, because the mean of its divisors is an integer number (3962649600).

Almost surely, 2^190377796290 is an apocalyptic number.

190377796290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 190377796290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253609574400).

190377796290 is an abundant number, since it is smaller than the sum of its proper divisors (316841352510).

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

190377796290 is a wasteful number, since it uses less digits than its factorization.

190377796290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6392.

The product of its (nonzero) digits is 9001692, while the sum is 60.

The spelling of 190377796290 in words is "one hundred ninety billion, three hundred seventy-seven million, seven hundred ninety-six thousand, two hundred ninety".