40344678711 has 12 divisors (see below), whose sum is σ = 58295513640. Its totient is φ = 26887283280.

The previous prime is 40344678707. The next prime is 40344678713. The reversal of 40344678711 is 11787644304.

It is not a de Polignac number, because 40344678711 - 2² = 40344678707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40344678713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 736180 + ... + 789081.

It is an arithmetic number, because the mean of its divisors is an integer number (4857959470).

Almost surely, 2^40344678711 is an apocalyptic number.

40344678711 is a deficient number, since it is larger than the sum of its proper divisors (17950834929).

40344678711 is a wasteful number, since it uses less digits than its factorization.

40344678711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528206 (or 1528203 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 40344678711 in words is "forty billion, three hundred forty-four million, six hundred seventy-eight thousand, seven hundred eleven".