43266555240842 has 4 divisors (see below), whose sum is σ = 64899832861266. Its totient is φ = 21633277620420.

The previous prime is 43266555240737. The next prime is 43266555240919. The reversal of 43266555240842 is 24804255566234.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22893076578241 + 20373478662601 = 4784671^2 + 4513699^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10816638810209 + ... + 10816638810212.

Almost surely, 2^{43266555240842} is an apocalyptic number.

43266555240842 is a deficient number, since it is larger than the sum of its proper divisors (21633277620424).

43266555240842 is a wasteful number, since it uses less digits than its factorization.

43266555240842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21633277620423.

The product of its (nonzero) digits is 55296000, while the sum is 56.

The spelling of 43266555240842 in words is "forty-three trillion, two hundred sixty-six billion, five hundred fifty-five million, two hundred forty thousand, eight hundred forty-two".