396666547200 has 2112 divisors, whose sum is σ = 1886043571200. Its totient is φ = 79272345600.

The previous prime is 396666547187. The next prime is 396666547223. The reversal of 396666547200 is 2745666693.

It is a tau number, because it is divible by the number of its divisors (2112).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1543449472 + ... + 1543449728.

Almost surely, 2^396666547200 is an apocalyptic number.

396666547200 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 396666547200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (943021785600).

396666547200 is an abundant number, since it is smaller than the sum of its proper divisors (1489377024000).

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

396666547200 is a wasteful number, since it uses less digits than its factorization.

396666547200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 54.

The spelling of 396666547200 in words is "three hundred ninety-six billion, six hundred sixty-six million, five hundred forty-seven thousand, two hundred".