43215040071 has 24 divisors (see below), whose sum is σ = 71407100544. Its totient is φ = 24670774800.

The previous prime is 43215040061. The next prime is 43215040117. The reversal of 43215040071 is 17004051234.

43215040071 is a `hidden beast` number, since 43 + 2 + 150 + 400 + 71 = 666.

43215040071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43215040071 - 2²¹ = 43212942919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43215040061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260121 + ... + 392546.

It is an arithmetic number, because the mean of its divisors is an integer number (2975295856).

Almost surely, 2^43215040071 is an apocalyptic number.

43215040071 is a deficient number, since it is larger than the sum of its proper divisors (28192060473).

43215040071 is a wasteful number, since it uses less digits than its factorization.

43215040071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653731 (or 653728 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The spelling of 43215040071 in words is "forty-three billion, two hundred fifteen million, forty thousand, seventy-one".