2034423440 has 80 divisors (see below), whose sum is σ = 5418938880. Its totient is φ = 695815680.

The previous prime is 2034423437. The next prime is 2034423449. The reversal of 2034423440 is 443244302.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (2034423449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237146 + ... + 245574.

It is an arithmetic number, because the mean of its divisors is an integer number (67736736).

Almost surely, 2^2034423440 is an apocalyptic number.

2034423440 is a gapful number since it is divisible by the number (20) 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 2034423440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2709469440).

2034423440 is an abundant number, since it is smaller than the sum of its proper divisors (3384515440).

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

2034423440 is a wasteful number, since it uses less digits than its factorization.

2034423440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8880 (or 8874 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 2034423440 is about 45104.5833591222. The cubic root of 2034423440 is about 1267.1084399345.

Adding to 2034423440 its reverse (443244302), we get a palindrome (2477667742).

The spelling of 2034423440 in words is "two billion, thirty-four million, four hundred twenty-three thousand, four hundred forty".