43440340711 has 4 divisors (see below), whose sum is σ = 43441512624. Its totient is φ = 43439168800.

The previous prime is 43440340693. The next prime is 43440340721. The reversal of 43440340711 is 11704304434.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11704304434 = 2 ⋅5852152217.

It is a cyclic number.

It is not a de Polignac number, because 43440340711 - 2¹⁷ = 43440209639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43440340721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528475 + ... + 605116.

It is an arithmetic number, because the mean of its divisors is an integer number (10860378156).

Almost surely, 2^43440340711 is an apocalyptic number.

43440340711 is a deficient number, since it is larger than the sum of its proper divisors (1171913).

43440340711 is a wasteful number, since it uses less digits than its factorization.

43440340711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171912.

The product of its (nonzero) digits is 16128, while the sum is 31.

The spelling of 43440340711 in words is "forty-three billion, four hundred forty million, three hundred forty thousand, seven hundred eleven".