43240747249 has 16 divisors (see below), whose sum is σ = 50863966720. Its totient is φ = 35994404160.

The previous prime is 43240747243. The next prime is 43240747261. The reversal of 43240747249 is 94274704234.

It is a cyclic number.

It is not a de Polignac number, because 43240747249 - 2⁵ = 43240747217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43240747199 and 43240747208.

It is not an unprimeable number, because it can be changed into a prime (43240747243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607194 + ... + 674659.

It is an arithmetic number, because the mean of its divisors is an integer number (3178997920).

Almost surely, 2^43240747249 is an apocalyptic number.

It is an amenable number.

43240747249 is a deficient number, since it is larger than the sum of its proper divisors (7623219471).

43240747249 is a wasteful number, since it uses less digits than its factorization.

43240747249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282000.

The product of its (nonzero) digits is 1354752, while the sum is 46.

The spelling of 43240747249 in words is "forty-three billion, two hundred forty million, seven hundred forty-seven thousand, two hundred forty-nine".