396858524160 has 320 divisors, whose sum is σ = 1453576608000. Its totient is φ = 90483720192.

The previous prime is 396858524137. The next prime is 396858524191. The reversal of 396858524160 is 61425858693.

It is a tau number, because it is divible by the number of its divisors (320).

It is a self number, because there is not a number n which added to its sum of digits gives 396858524160.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21978816 + ... + 21996864.

It is an arithmetic number, because the mean of its divisors is an integer number (4542426900).

Almost surely, 2^396858524160 is an apocalyptic number.

396858524160 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 396858524160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (726788304000).

396858524160 is an abundant number, since it is smaller than the sum of its proper divisors (1056718083840).

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

396858524160 is a wasteful number, since it uses less digits than its factorization.

396858524160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18491 (or 18475 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 57.

The spelling of 396858524160 in words is "three hundred ninety-six billion, eight hundred fifty-eight million, five hundred twenty-four thousand, one hundred sixty".