40354104251 has 2 divisors, whose sum is σ = 40354104252. Its totient is φ = 40354104250.

The previous prime is 40354104209. The next prime is 40354104289. The reversal of 40354104251 is 15240145304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40354104251 - 2¹⁴ = 40354087867 is a prime.

It is not a weakly prime, because it can be changed into another prime (40354101251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20177052125 + 20177052126.

It is an arithmetic number, because the mean of its divisors is an integer number (20177052126).

Almost surely, 2^40354104251 is an apocalyptic number.

40354104251 is a deficient number, since it is larger than the sum of its proper divisors (1).

40354104251 is an equidigital number, since it uses as much as digits as its factorization.

40354104251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 40354104251 its reverse (15240145304), we get a palindrome (55594249555).

The spelling of 40354104251 in words is "forty billion, three hundred fifty-four million, one hundred four thousand, two hundred fifty-one".