40421113504 has 12 divisors (see below), whose sum is σ = 79579067274. Its totient is φ = 20210556736.

The previous prime is 40421113501. The next prime is 40421113517. The reversal of 40421113504 is 40531112404.

It can be written as a sum of positive squares in only one way, i.e., 33361753104 + 7059360400 = 182652^2 + 84020^2 .

It is not an unprimeable number, because it can be changed into a prime (40421113501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631579867 + ... + 631579930.

Almost surely, 2^40421113504 is an apocalyptic number.

It is an amenable number.

40421113504 is a deficient number, since it is larger than the sum of its proper divisors (39157953770).

40421113504 is a wasteful number, since it uses less digits than its factorization.

40421113504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263159807 (or 1263159799 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 40421113504 its reverse (40531112404), we get a palindrome (80952225908).

The spelling of 40421113504 in words is "forty billion, four hundred twenty-one million, one hundred thirteen thousand, five hundred four".