396548402976 has 336 divisors, whose sum is σ = 1332471228480. Its totient is φ = 114939855360.

The previous prime is 396548402903. The next prime is 396548402981. The reversal of 396548402976 is 679204845693.

396548402976 is a `hidden beast` number, since 3 + 9 + 65 + 484 + 0 + 2 + 97 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 5868390 + ... + 5935578.

It is an arithmetic number, because the mean of its divisors is an integer number (3965688180).

Almost surely, 2^396548402976 is an apocalyptic number.

396548402976 is a gapful number since it is divisible by the number (36) 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 396548402976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (666235614240).

396548402976 is an abundant number, since it is smaller than the sum of its proper divisors (935922825504).

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

396548402976 is a wasteful number, since it uses less digits than its factorization.

396548402976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67251 (or 67228 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 396548402976 in words is "three hundred ninety-six billion, five hundred forty-eight million, four hundred two thousand, nine hundred seventy-six".