396173675520 has 1056 divisors, whose sum is σ = 1667679436800. Its totient is φ = 84945272832.

The previous prime is 396173675507. The next prime is 396173675531. The reversal of 396173675520 is 25576371693.

396173675520 is a `hidden beast` number, since 3 + 9 + 6 + 17 + 36 + 75 + 520 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 778337026 + ... + 778337534.

Almost surely, 2^396173675520 is an apocalyptic number.

396173675520 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 396173675520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (833839718400).

396173675520 is an abundant number, since it is smaller than the sum of its proper divisors (1271505761280).

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

396173675520 is a wasteful number, since it uses less digits than its factorization.

396173675520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 7144200, while the sum is 54.

The spelling of 396173675520 in words is "three hundred ninety-six billion, one hundred seventy-three million, six hundred seventy-five thousand, five hundred twenty".