396523446676416 has 70 divisors (see below), whose sum is σ = 1175419715500800. Its totient is φ = 132174482223744.

The previous prime is 396523446676397. The next prime is 396523446676439. The reversal of 396523446676416 is 614676644325693.

396523446676416 is a `hidden beast` number, since 3 + 9 + 6 + 52 + 3 + 4 + 466 + 76 + 41 + 6 = 666.

It is a super-2 number, since 2×396523446676416² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 38244926016 + ... + 38244936383.

It is an arithmetic number, because the mean of its divisors is an integer number (16791710221440).

Almost surely, 2^{396523446676416} is an apocalyptic number.

396523446676416 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

396523446676416 is an abundant number, since it is smaller than the sum of its proper divisors (778896268824384).

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

396523446676416 is an equidigital number, since it uses as much as digits as its factorization.

396523446676416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76489862423 (or 76489862404 counting only the distinct ones).

The product of its digits is 2821754880, while the sum is 72.

The spelling of 396523446676416 in words is "three hundred ninety-six trillion, five hundred twenty-three billion, four hundred forty-six million, six hundred seventy-six thousand, four hundred sixteen".