40404126043 has 2 divisors, whose sum is σ = 40404126044. Its totient is φ = 40404126042.

The previous prime is 40404125999. The next prime is 40404126073. The reversal of 40404126043 is 34062140404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40404126043 - 2¹³ = 40404117851 is a prime.

It is a super-3 number, since 3×40404126043³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (40404126073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20202063021 + 20202063022.

It is an arithmetic number, because the mean of its divisors is an integer number (20202063022).

Almost surely, 2^40404126043 is an apocalyptic number.

40404126043 is a deficient number, since it is larger than the sum of its proper divisors (1).

40404126043 is an equidigital number, since it uses as much as digits as its factorization.

40404126043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 40404126043 its reverse (34062140404), we get a palindrome (74466266447).

The spelling of 40404126043 in words is "forty billion, four hundred four million, one hundred twenty-six thousand, forty-three".