43609608740 has 12 divisors (see below), whose sum is σ = 91580178396. Its totient is φ = 17443843488.

The previous prime is 43609608739. The next prime is 43609608767. The reversal of 43609608740 is 4780690634.

It can be written as a sum of positive squares in 2 ways, for example, as 27729576484 + 15880032256 = 166522^2 + 126016^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1090240199 + ... + 1090240238.

It is an arithmetic number, because the mean of its divisors is an integer number (7631681533).

Almost surely, 2^43609608740 is an apocalyptic number.

It is an amenable number.

43609608740 is an abundant number, since it is smaller than the sum of its proper divisors (47970569656).

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

43609608740 is a wasteful number, since it uses less digits than its factorization.

43609608740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180480446 (or 2180480444 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 43609608740 in words is "forty-three billion, six hundred nine million, six hundred eight thousand, seven hundred forty".