43818814340 has 96 divisors (see below), whose sum is σ = 108800047104. Its totient is φ = 14506490880.

The previous prime is 43818814337. The next prime is 43818814349. The reversal of 43818814340 is 4341881834.

It is a junction number, because it is equal to n+sod(n) for n = 43818814291 and 43818814300.

It is not an unprimeable number, because it can be changed into a prime (43818814349) 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, 1972334 + ... + 1994426.

It is an arithmetic number, because the mean of its divisors is an integer number (1133333824).

Almost surely, 2^43818814340 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 43818814340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54400023552).

43818814340 is an abundant number, since it is smaller than the sum of its proper divisors (64981232764).

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

43818814340 is a wasteful number, since it uses less digits than its factorization.

43818814340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22597 (or 22595 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The spelling of 43818814340 in words is "forty-three billion, eight hundred eighteen million, eight hundred fourteen thousand, three hundred forty".