396459122500 has 225 divisors, whose sum is σ = 1015363533569. Its totient is φ = 135399936000.

The previous prime is 396459122461. The next prime is 396459122531. The reversal of 396459122500 is 5221954693.

The square root of 396459122500 is 629650.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 62597037636 + 333862084864 = 250194^2 + 577808^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 1542642372 + ... + 1542642628.

Almost surely, 2^396459122500 is an apocalyptic number.

396459122500 is the 629650-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396459122500

396459122500 is an abundant number, since it is smaller than the sum of its proper divisors (618904411069).

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

396459122500 is an frugal number, since it uses more digits than its factorization.

396459122500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 396459122500 in words is "three hundred ninety-six billion, four hundred fifty-nine million, one hundred twenty-two thousand, five hundred".