40412421043 has 2 divisors, whose sum is σ = 40412421044. Its totient is φ = 40412421042.

The previous prime is 40412421019. The next prime is 40412421047. The reversal of 40412421043 is 34012421404.

40412421043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40412421043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40412420999 and 40412421017.

It is not a weakly prime, because it can be changed into another prime (40412421047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20206210521 + 20206210522.

It is an arithmetic number, because the mean of its divisors is an integer number (20206210522).

Almost surely, 2^40412421043 is an apocalyptic number.

40412421043 is a deficient number, since it is larger than the sum of its proper divisors (1).

40412421043 is an equidigital number, since it uses as much as digits as its factorization.

40412421043 is an evil number, because the sum of its binary digits is even.

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

Adding to 40412421043 its reverse (34012421404), we get a palindrome (74424842447).

The spelling of 40412421043 in words is "forty billion, four hundred twelve million, four hundred twenty-one thousand, forty-three".