190507422848 has 72 divisors (see below), whose sum is σ = 383452465545.
Its totient is φ = 94278434304.
The previous prime is 190507422839. The next prime is 190507422851. The reversal of 190507422848 is 848224705091.
Multipling 190507422848 by its sum of digits (50), we get a square (9525371142400 = 30863202).
It is a powerful number, because all its prime factors have an exponent greater than 1
and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 149868088384 + 40639334464 = 387128^2 + 201592^2
It is an ABA number since it can be written as A⋅BA, here for A=2, B=308632.
It is a super-2 number, since 2×1905074228482 (a number of 23 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 190507422796 and 190507422805.
It is an unprimeable number.
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 8 ways as a sum of consecutive naturals, for example, 854293265 + ... + 854293487.
Almost surely, 2190507422848 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 190507422848
190507422848 is an abundant number, since it is smaller than the sum of its proper divisors (192945042697).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190507422848 is an frugal number, since it uses more digits than its factorization.
190507422848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 806 (or 398 counting only the distinct ones).
The product of its (nonzero) digits is 1290240, while the sum is 50.
The spelling of 190507422848 in words is "one hundred ninety billion, five hundred seven million, four hundred twenty-two thousand, eight hundred forty-eight".