43525243340 has 24 divisors (see below), whose sum is σ = 94554840240. Its totient is φ = 16809748928.

The previous prime is 43525243297. The next prime is 43525243343. The reversal of 43525243340 is 4334252534.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 43525243340.

It is not an unprimeable number, because it can be changed into a prime (43525243343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37521182 + ... + 37522341.

It is an arithmetic number, because the mean of its divisors is an integer number (3939785010).

Almost surely, 2^43525243340 is an apocalyptic number.

It is an amenable number.

43525243340 is an abundant number, since it is smaller than the sum of its proper divisors (51029596900).

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

43525243340 is a wasteful number, since it uses less digits than its factorization.

43525243340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75043561 (or 75043559 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 43525243340 its reverse (4334252534), we get a palindrome (47859495874).

The spelling of 43525243340 in words is "forty-three billion, five hundred twenty-five million, two hundred forty-three thousand, three hundred forty".