43775902064896 has 27 divisors (see below), whose sum is σ = 87381015822093. Its totient is φ = 21887898101760.

The previous prime is 43775902064893. The next prime is 43775902064911. The reversal of 43775902064896 is 69846020957734.

The square root of 43775902064896 is 6616336.

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

It can be written as a sum of positive squares in only one way, i.e., 40037711831296 + 3738190233600 = 6327536^2 + 1933440^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43775902064893) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 105654616 + ... + 106068136.

Almost surely, 2^{43775902064896} is an apocalyptic number.

43775902064896 is the 6616336-th square number.

It is an amenable number.

43775902064896 is a deficient number, since it is larger than the sum of its proper divisors (43605113757197).

43775902064896 is an frugal number, since it uses more digits than its factorization.

43775902064896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827058 (or 413523 counting only the distinct ones).

The product of its (nonzero) digits is 548674560, while the sum is 70.

The spelling of 43775902064896 in words is "forty-three trillion, seven hundred seventy-five billion, nine hundred two million, sixty-four thousand, eight hundred ninety-six".