40104423049 has 2 divisors, whose sum is σ = 40104423050. Its totient is φ = 40104423048.

The previous prime is 40104423013. The next prime is 40104423067. The reversal of 40104423049 is 94032440104.

40104423049 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 can be written as a sum of positive squares in only one way, i.e., 37680633225 + 2423789824 = 194115^2 + 49232^2 .

It is a cyclic number.

It is not a de Polignac number, because 40104423049 - 2⁹ = 40104422537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40104423049.

It is not a weakly prime, because it can be changed into another prime (40104423949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20052211524 + 20052211525.

It is an arithmetic number, because the mean of its divisors is an integer number (20052211525).

Almost surely, 2^40104423049 is an apocalyptic number.

It is an amenable number.

40104423049 is a deficient number, since it is larger than the sum of its proper divisors (1).

40104423049 is an equidigital number, since it uses as much as digits as its factorization.

40104423049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 40104423049 in words is "forty billion, one hundred four million, four hundred twenty-three thousand, forty-nine".