408361953668 has 12 divisors (see below), whose sum is σ = 715530078732. Its totient is φ = 203924788320.

The previous prime is 408361953667. The next prime is 408361953731. The reversal of 408361953668 is 866359163804.

It can be written as a sum of positive squares in 2 ways, for example, as 198174548224 + 210187405444 = 445168^2 + 458462^2 .

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (408361953667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64043543 + ... + 64049918.

It is an arithmetic number, because the mean of its divisors is an integer number (59627506561).

Almost surely, 2^408361953668 is an apocalyptic number.

It is an amenable number.

408361953668 is a deficient number, since it is larger than the sum of its proper divisors (307168125064).

408361953668 is a wasteful number, since it uses less digits than its factorization.

408361953668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128094262 (or 128094260 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 59.

The spelling of 408361953668 in words is "four hundred eight billion, three hundred sixty-one million, nine hundred fifty-three thousand, six hundred sixty-eight".