408773943651968 has 32 divisors (see below), whose sum is σ = 814366007140320. Its totient is φ = 204384043820800.

The previous prime is 408773943651959. The next prime is 408773943651971. The reversal of 408773943651968 is 869156349377804.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×408773943651968² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 408773943651892 and 408773943651901.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13891478 + ... + 31788693.

It is an arithmetic number, because the mean of its divisors is an integer number (25448937723135).

Almost surely, 2^{408773943651968} is an apocalyptic number.

It is an amenable number.

408773943651968 is a deficient number, since it is larger than the sum of its proper divisors (405592063488352).

408773943651968 is an equidigital number, since it uses as much as digits as its factorization.

408773943651968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45750096 (or 45750084 counting only the distinct ones).

The product of its (nonzero) digits is 6584094720, while the sum is 80.

The spelling of 408773943651968 in words is "four hundred eight trillion, seven hundred seventy-three billion, nine hundred forty-three million, six hundred fifty-one thousand, nine hundred sixty-eight".