43740480140 has 144 divisors (see below), whose sum is σ = 113348162592. Its totient is φ = 14088259584.

The previous prime is 43740480137. The next prime is 43740480149. The reversal of 43740480140 is 4108404734.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 43740480140.

It is not an unprimeable number, because it can be changed into a prime (43740480149) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10210439 + ... + 10214721.

It is an arithmetic number, because the mean of its divisors is an integer number (787140018).

Almost surely, 2^43740480140 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 43740480140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56674081296).

43740480140 is an abundant number, since it is smaller than the sum of its proper divisors (69607682452).

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

43740480140 is a wasteful number, since it uses less digits than its factorization.

43740480140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4936 (or 4927 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

Adding to 43740480140 its reverse (4108404734), we get a palindrome (47848884874).

The spelling of 43740480140 in words is "forty-three billion, seven hundred forty million, four hundred eighty thousand, one hundred forty".