834440000 has 140 divisors (see below), whose sum is σ = 2161483104. Its totient is φ = 318912000.

The previous prime is 834439999. The next prime is 834440027. The reversal of 834440000 is 44438.

It is a super-2 number, since 2×834440000² = 1392580227200000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 919547 + ... + 920453.

Almost surely, 2^834440000 is an apocalyptic number.

834440000 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 834440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1080741552).

834440000 is an abundant number, since it is smaller than the sum of its proper divisors (1327043104).

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

834440000 is an equidigital number, since it uses as much as digits as its factorization.

834440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 937 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 834440000 is about 28886.6751288548. The cubic root of 834440000 is about 941.4524098995.

Adding to 834440000 its reverse (44438), we get a palindrome (834484438).

The spelling of 834440000 in words is "eight hundred thirty-four million, four hundred forty thousand".