43494918264 has 96 divisors (see below), whose sum is σ = 134663368320. Its totient is φ = 12423774528.

The previous prime is 43494918221. The next prime is 43494918323. The reversal of 43494918264 is 46281949434.

43494918264 is a `hidden beast` number, since 4 + 3 + 494 + 91 + 8 + 2 + 64 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 43494918264.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2330779 + ... + 2349365.

It is an arithmetic number, because the mean of its divisors is an integer number (1402743420).

Almost surely, 2^43494918264 is an apocalyptic number.

It is an amenable number.

43494918264 is an abundant number, since it is smaller than the sum of its proper divisors (91168450056).

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

43494918264 is a wasteful number, since it uses less digits than its factorization.

43494918264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23249 (or 23242 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 54.

The spelling of 43494918264 in words is "forty-three billion, four hundred ninety-four million, nine hundred eighteen thousand, two hundred sixty-four".