43021226438268 has 48 divisors (see below), whose sum is σ = 108143382443040. Its totient is φ = 13232554055424.

The previous prime is 43021226438263. The next prime is 43021226438329. The reversal of 43021226438268 is 86283462212034.

It is a self number, because there is not a number n which added to its sum of digits gives 43021226438268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43021226438263) 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, 49005055 + ... + 49875222.

It is an arithmetic number, because the mean of its divisors is an integer number (2252987134230).

Almost surely, 2^{43021226438268} is an apocalyptic number.

It is an amenable number.

43021226438268 is an abundant number, since it is smaller than the sum of its proper divisors (65122156004772).

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

43021226438268 is a wasteful number, since it uses less digits than its factorization.

43021226438268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98883086 (or 98883084 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 51.

The spelling of 43021226438268 in words is "forty-three trillion, twenty-one billion, two hundred twenty-six million, four hundred thirty-eight thousand, two hundred sixty-eight".