43144023340 has 96 divisors (see below), whose sum is σ = 101463715584. Its totient is φ = 15274479360.

The previous prime is 43144023337. The next prime is 43144023343. The reversal of 43144023340 is 4332044134.

It is an interprime number because it is at equal distance from previous prime (43144023337) and next prime (43144023343).

It is a super-2 number, since 2×43144023340² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43144023299 and 43144023308.

It is not an unprimeable number, because it can be changed into a prime (43144023343) 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, 2991627 + ... + 3006013.

It is an arithmetic number, because the mean of its divisors is an integer number (1056913704).

Almost surely, 2^43144023340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43144023340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50731857792).

43144023340 is an abundant number, since it is smaller than the sum of its proper divisors (58319692244).

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

43144023340 is a wasteful number, since it uses less digits than its factorization.

43144023340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14767 (or 14765 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 43144023340 its reverse (4332044134), we get a palindrome (47476067474).

The spelling of 43144023340 in words is "forty-three billion, one hundred forty-four million, twenty-three thousand, three hundred forty".