1919085048 has 80 divisors (see below), whose sum is σ = 5381533080. Its totient is φ = 638943552.

The previous prime is 1919085019. The next prime is 1919085061. The reversal of 1919085048 is 8405809191.

It is a junction number, because it is equal to n+sod(n) for n = 1919084994 and 1919085012.

It is a congruent 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 19 ways as a sum of consecutive naturals, for example, 959986 + ... + 961982.

Almost surely, 2^1919085048 is an apocalyptic number.

1919085048 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 1919085048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2690766540).

1919085048 is an abundant number, since it is smaller than the sum of its proper divisors (3462448032).

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

1919085048 is a wasteful number, since it uses less digits than its factorization.

1919085048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3498 (or 3485 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The square root of 1919085048 is about 43807.3629427748. The cubic root of 1919085048 is about 1242.6955426379.

The spelling of 1919085048 in words is "one billion, nine hundred nineteen million, eighty-five thousand, forty-eight".