43043044332340 has 48 divisors (see below), whose sum is σ = 97619261091408. Its totient is φ = 15847794192384.

The previous prime is 43043044332331. The next prime is 43043044332383. The reversal of 43043044332340 is 4323344034034.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 12746342320804 + 30296702011536 = 3570202^2 + 5504244^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43043044332340.

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, 234398547 + ... + 234582106.

It is an arithmetic number, because the mean of its divisors is an integer number (2033734606071).

Almost surely, 2^{43043044332340} is an apocalyptic number.

It is an amenable number.

43043044332340 is an abundant number, since it is smaller than the sum of its proper divisors (54576216759068).

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

43043044332340 is a wasteful number, since it uses less digits than its factorization.

43043044332340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468981028 (or 468981026 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 37.

Adding to 43043044332340 its reverse (4323344034034), we get a palindrome (47366388366374).

The spelling of 43043044332340 in words is "forty-three trillion, forty-three billion, forty-four million, three hundred thirty-two thousand, three hundred forty".