396715940732160 has 1440 divisors, whose sum is σ = 1631821750056960. Its totient is φ = 90147525820416.

The previous prime is 396715940732147. The next prime is 396715940732179. The reversal of 396715940732160 is 61237049517693.

It is a happy number.

396715940732160 is a `hidden beast` number, since 3 + 9 + 6 + 7 + 1 + 5 + 9 + 407 + 3 + 216 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 173011747974 + ... + 173011750266.

Almost surely, 2^{396715940732160} is an apocalyptic number.

396715940732160 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 396715940732160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (815910875028480).

396715940732160 is an abundant number, since it is smaller than the sum of its proper divisors (1235105809324800).

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

396715940732160 is a wasteful number, since it uses less digits than its factorization.

396715940732160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625 (or 3602 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 63.

The spelling of 396715940732160 in words is "three hundred ninety-six trillion, seven hundred fifteen billion, nine hundred forty million, seven hundred thirty-two thousand, one hundred sixty".