14440143740 has 96 divisors (see below), whose sum is σ = 35085161664. Its totient is φ = 4933877760.

The previous prime is 14440143737. The next prime is 14440143743. The reversal of 14440143740 is 4734104441.

It is an interprime number because it is at equal distance from previous prime (14440143737) and next prime (14440143743).

It is a super-2 number, since 2×14440143740² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14440143697 and 14440143706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14440143743) 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, 2514152 + ... + 2519888.

It is an arithmetic number, because the mean of its divisors is an integer number (365470434).

Almost surely, 2^14440143740 is an apocalyptic number.

14440143740 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 14440143740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17542580832).

14440143740 is an abundant number, since it is smaller than the sum of its proper divisors (20645017924).

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

14440143740 is a wasteful number, since it uses less digits than its factorization.

14440143740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6447 (or 6445 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The spelling of 14440143740 in words is "fourteen billion, four hundred forty million, one hundred forty-three thousand, seven hundred forty".