190486315008 has 768 divisors, whose sum is σ = 661033195200. Its totient is φ = 53721169920.

The previous prime is 190486314979. The next prime is 190486315037. The reversal of 190486315008 is 800513684091.

190486315008 is a `hidden beast` number, since 1 + 9 + 0 + 4 + 8 + 631 + 5 + 0 + 0 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (190486314979) and next prime (190486315037).

It is a tau number, because it is divible by the number of its divisors (768).

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, 5148278766 + ... + 5148278802.

Almost surely, 2^190486315008 is an apocalyptic number.

190486315008 is a gapful number since it is divisible by the number (18) 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 190486315008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330516597600).

190486315008 is an abundant number, since it is smaller than the sum of its proper divisors (470546880192).

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

190486315008 is an equidigital number, since it uses as much as digits as its factorization.

190486315008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

Adding to 190486315008 its reverse (800513684091), we get a palindrome (990999999099).

The spelling of 190486315008 in words is "one hundred ninety billion, four hundred eighty-six million, three hundred fifteen thousand, eight".