408668029351 has 24 divisors (see below), whose sum is σ = 430883952912. Its totient is φ = 387431500800.

The previous prime is 408668029349. The next prime is 408668029381. The reversal of 408668029351 is 153920866804.

It is not a de Polignac number, because 408668029351 - 2¹ = 408668029349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408668029321) 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 in 23 ways as a sum of consecutive naturals, for example, 8486895 + ... + 8534911.

It is an arithmetic number, because the mean of its divisors is an integer number (17953498038).

Almost surely, 2^408668029351 is an apocalyptic number.

408668029351 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

408668029351 is a deficient number, since it is larger than the sum of its proper divisors (22215923561).

408668029351 is an equidigital number, since it uses as much as digits as its factorization.

408668029351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48243 (or 48202 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 408668029351 in words is "four hundred eight billion, six hundred sixty-eight million, twenty-nine thousand, three hundred fifty-one".