396038185680 has 40 divisors (see below), whose sum is σ = 1227718376352. Its totient is φ = 105610182784.

The previous prime is 396038185679. The next prime is 396038185717. The reversal of 396038185680 is 86581830693.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 396038185680.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825079314 + ... + 825079793.

Almost surely, 2^396038185680 is an apocalyptic number.

396038185680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

396038185680 is an abundant number, since it is smaller than the sum of its proper divisors (831680190672).

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

396038185680 is a wasteful number, since it uses less digits than its factorization.

396038185680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650159123 (or 1650159117 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 396038185680 in words is "three hundred ninety-six billion, thirty-eight million, one hundred eighty-five thousand, six hundred eighty".