396774604800 has 1026 divisors, whose sum is σ = 1678469178984. Its totient is φ = 87765811200.

The previous prime is 396774604799. The next prime is 396774604817. The reversal of 396774604800 is 8406477693.

It is a happy number.

396774604800 is a `hidden beast` number, since 3 + 96 + 7 + 74 + 6 + 0 + 480 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 12799180785 + ... + 12799180815.

Almost surely, 2^396774604800 is an apocalyptic number.

396774604800 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396774604800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (839234589492).

396774604800 is an abundant number, since it is smaller than the sum of its proper divisors (1281694574184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

396774604800 is an frugal number, since it uses more digits than its factorization.

396774604800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 396774604800 in words is "three hundred ninety-six billion, seven hundred seventy-four million, six hundred four thousand, eight hundred".