43026841940 has 48 divisors (see below), whose sum is σ = 92930451600. Its totient is φ = 16721759232.

The previous prime is 43026841939. The next prime is 43026841973. The reversal of 43026841940 is 4914862034.

It can be written as a sum of positive squares in 8 ways, for example, as 2544597136 + 40482244804 = 50444^2 + 201202^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483656 + ... + 565664.

It is an arithmetic number, because the mean of its divisors is an integer number (1936051075).

Almost surely, 2^43026841940 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 43026841940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46465225800).

43026841940 is an abundant number, since it is smaller than the sum of its proper divisors (49903609660).

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

43026841940 is a wasteful number, since it uses less digits than its factorization.

43026841940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82764 (or 82762 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 43026841940 in words is "forty-three billion, twenty-six million, eight hundred forty-one thousand, nine hundred forty".