43226877312 has 128 divisors (see below), whose sum is σ = 129155215200. Its totient is φ = 14408865792.

The previous prime is 43226877293. The next prime is 43226877383. The reversal of 43226877312 is 21377862234.

43226877312 is a `hidden beast` number, since 4 + 3 + 2 + 268 + 77 + 312 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202728 + ... + 357144.

Almost surely, 2^43226877312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43226877312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64577607600).

43226877312 is an abundant number, since it is smaller than the sum of its proper divisors (85928337888).

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

43226877312 is an frugal number, since it uses more digits than its factorization.

43226877312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154452 (or 154422 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The spelling of 43226877312 in words is "forty-three billion, two hundred twenty-six million, eight hundred seventy-seven thousand, three hundred twelve".