835017990000 has 400 divisors, whose sum is σ = 2827485315072. Its totient is φ = 211874432000.

The previous prime is 835017989987. The next prime is 835017990017. The reversal of 835017990000 is 99710538.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (400).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 135926929 + ... + 135933071.

Almost surely, 2^835017990000 is an apocalyptic number.

835017990000 is a gapful number since it is divisible by the number (80) 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 835017990000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1413742657536).

835017990000 is an abundant number, since it is smaller than the sum of its proper divisors (1992467325072).

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

835017990000 is a wasteful number, since it uses less digits than its factorization.

835017990000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6394 (or 6373 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 835017990000 in words is "eight hundred thirty-five billion, seventeen million, nine hundred ninety thousand".