14023002440 has 128 divisors (see below), whose sum is σ = 33785856000. Its totient is φ = 5222880000.

The previous prime is 14023002431. The next prime is 14023002443. The reversal of 14023002440 is 4420032041.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (14023002443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18672065 + ... + 18672815.

It is an arithmetic number, because the mean of its divisors is an integer number (263952000).

Almost surely, 2^14023002440 is an apocalyptic number.

14023002440 is a gapful number since it is divisible by the number (10) 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 14023002440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16892928000).

14023002440 is an abundant number, since it is smaller than the sum of its proper divisors (19762853560).

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

14023002440 is a wasteful number, since it uses less digits than its factorization.

14023002440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171 (or 1167 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 14023002440 its reverse (4420032041), we get a palindrome (18443034481).

The spelling of 14023002440 in words is "fourteen billion, twenty-three million, two thousand, four hundred forty".