43149116672 has 36 divisors (see below), whose sum is σ = 86758436436. Its totient is φ = 21417062400.

The previous prime is 43149116623. The next prime is 43149116683. The reversal of 43149116672 is 27661194134.

It can be written as a sum of positive squares in 2 ways, for example, as 33791262976 + 9357853696 = 183824^2 + 96736^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580079 + ... + 650222.

Almost surely, 2^43149116672 is an apocalyptic number.

It is an amenable number.

43149116672 is an abundant number, since it is smaller than the sum of its proper divisors (43609319764).

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

43149116672 is a wasteful number, since it uses less digits than its factorization.

43149116672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230454 (or 1230440 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The spelling of 43149116672 in words is "forty-three billion, one hundred forty-nine million, one hundred sixteen thousand, six hundred seventy-two".