396649555752 has 192 divisors, whose sum is σ = 1088227440000. Its totient is φ = 120315621888.

The previous prime is 396649555747. The next prime is 396649555829. The reversal of 396649555752 is 257555946693.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49995978 + ... + 50003910.

It is an arithmetic number, because the mean of its divisors is an integer number (5667851250).

Almost surely, 2^396649555752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396649555752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544113720000).

396649555752 is an abundant number, since it is smaller than the sum of its proper divisors (691577884248).

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

396649555752 is a wasteful number, since it uses less digits than its factorization.

396649555752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8208 (or 8185 counting only the distinct ones).

The product of its digits is 306180000, while the sum is 66.

The spelling of 396649555752 in words is "three hundred ninety-six billion, six hundred forty-nine million, five hundred fifty-five thousand, seven hundred fifty-two".