40424434313 has 4 divisors (see below), whose sum is σ = 40444126788. Its totient is φ = 40404741840.

The previous prime is 40424434243. The next prime is 40424434373. The reversal of 40424434313 is 31343442404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31560588409 + 8863845904 = 177653^2 + 94148^2 .

It is a cyclic number.

It is not a de Polignac number, because 40424434313 - 2¹⁰ = 40424433289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40424434313.

It is not an unprimeable number, because it can be changed into a prime (40424434373) 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, 9843158 + ... + 9847263.

It is an arithmetic number, because the mean of its divisors is an integer number (10111031697).

Almost surely, 2^40424434313 is an apocalyptic number.

It is an amenable number.

40424434313 is a deficient number, since it is larger than the sum of its proper divisors (19692475).

40424434313 is a wasteful number, since it uses less digits than its factorization.

40424434313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19692474.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 40424434313 its reverse (31343442404), we get a palindrome (71767876717).

The spelling of 40424434313 in words is "forty billion, four hundred twenty-four million, four hundred thirty-four thousand, three hundred thirteen".