40240314421 has 4 divisors (see below), whose sum is σ = 41627911500. Its totient is φ = 38852717344.

The previous prime is 40240314407. The next prime is 40240314427. The reversal of 40240314421 is 12441304204.

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 33091611921 + 7148702500 = 181911^2 + 84550^2 .

It is a cyclic number.

It is not a de Polignac number, because 40240314421 - 2¹⁷ = 40240183349 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 (40240314427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693798496 + ... + 693798553.

It is an arithmetic number, because the mean of its divisors is an integer number (10406977875).

Almost surely, 2^40240314421 is an apocalyptic number.

It is an amenable number.

40240314421 is a deficient number, since it is larger than the sum of its proper divisors (1387597079).

40240314421 is a wasteful number, since it uses less digits than its factorization.

40240314421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387597078.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 40240314421 its reverse (12441304204), we get a palindrome (52681618625).

The spelling of 40240314421 in words is "forty billion, two hundred forty million, three hundred fourteen thousand, four hundred twenty-one".