2174023240 has 128 divisors (see below), whose sum is σ = 5346000000. Its totient is φ = 792465408.

The previous prime is 2174023231. The next prime is 2174023259. The reversal of 2174023240 is 423204712.

It is a happy 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 31 ways as a sum of consecutive naturals, for example, 4356511 + ... + 4357009.

It is an arithmetic number, because the mean of its divisors is an integer number (41765625).

Almost surely, 2^2174023240 is an apocalyptic number.

2174023240 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 2174023240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2673000000).

2174023240 is an abundant number, since it is smaller than the sum of its proper divisors (3171976760).

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

2174023240 is a wasteful number, since it uses less digits than its factorization.

2174023240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 2174023240 is about 46626.4221230838. The cubic root of 2174023240 is about 1295.4522036485.

Adding to 2174023240 its reverse (423204712), we get a palindrome (2597227952).

The spelling of 2174023240 in words is "two billion, one hundred seventy-four million, twenty-three thousand, two hundred forty".