43213040255316 has 48 divisors (see below), whose sum is σ = 101928485570688. Its totient is φ = 14247760656000.

The previous prime is 43213040255311. The next prime is 43213040255351. The reversal of 43213040255316 is 61355204031234.

It is a super-2 number, since 2×43213040255316² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43213040255311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16223040 + ... + 18697943.

It is an arithmetic number, because the mean of its divisors is an integer number (2123510116056).

Almost surely, 2^{43213040255316} is an apocalyptic number.

It is an amenable number.

43213040255316 is an abundant number, since it is smaller than the sum of its proper divisors (58715445315372).

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

43213040255316 is a wasteful number, since it uses less digits than its factorization.

43213040255316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34922112 (or 34922110 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 43213040255316 in words is "forty-three trillion, two hundred thirteen billion, forty million, two hundred fifty-five thousand, three hundred sixteen".