396014818997616 has 640 divisors, whose sum is σ = 1341963508838400. Its totient is φ = 99806973235200.

The previous prime is 396014818997597. The next prime is 396014818997683. The reversal of 396014818997616 is 616799818410693.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5222984986 + ... + 5223060806.

It is an arithmetic number, because the mean of its divisors is an integer number (2096817982560).

Almost surely, 2^{396014818997616} 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 396014818997616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670981754419200).

396014818997616 is an abundant number, since it is smaller than the sum of its proper divisors (945948689840784).

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

396014818997616 is a wasteful number, since it uses less digits than its factorization.

396014818997616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76950 (or 76930 counting only the distinct ones).

The product of its (nonzero) digits is 846526464, while the sum is 78.

The spelling of 396014818997616 in words is "three hundred ninety-six trillion, fourteen billion, eight hundred eighteen million, nine hundred ninety-seven thousand, six hundred sixteen".