43745395716 has 81 divisors (see below), whose sum is σ = 121583482293. Its totient is φ = 13251997440.

The previous prime is 43745395621. The next prime is 43745395751. The reversal of 43745395716 is 61759354734.

The square root of 43745395716 is 209154.

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

43745395716 is a `hidden beast` number, since 4 + 37 + 4 + 5 + 39 + 571 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 36155501316 + 7589894400 = 190146^2 + 87120^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 13802580 + ... + 13805748.

Almost surely, 2^43745395716 is an apocalyptic number.

43745395716 is the 209154-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43745395716

43745395716 is an abundant number, since it is smaller than the sum of its proper divisors (77838086577).

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

43745395716 is a wasteful number, since it uses less digits than its factorization.

43745395716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6370 (or 3185 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 54.

The spelling of 43745395716 in words is "forty-three billion, seven hundred forty-five million, three hundred ninety-five thousand, seven hundred sixteen".