43137628416 has 81 divisors (see below), whose sum is σ = 124405168251. Its totient is φ = 14375886336.

The previous prime is 43137628393. The next prime is 43137628427. The reversal of 43137628416 is 61482673134.

The square root of 43137628416 is 207696.

It is a perfect power (a square), and thus also a powerful number.

43137628416 is a `hidden beast` number, since 4 + 3 + 1 + 3 + 7 + 628 + 4 + 16 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9967245 + ... + 9971571.

Almost surely, 2^43137628416 is an apocalyptic number.

43137628416 is the 207696-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43137628416

43137628416 is an abundant number, since it is smaller than the sum of its proper divisors (81267539835).

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

43137628416 is an frugal number, since it uses more digits than its factorization.

43137628416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8676 (or 4332 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The spelling of 43137628416 in words is "forty-three billion, one hundred thirty-seven million, six hundred twenty-eight thousand, four hundred sixteen".