396641238992822 has 16 divisors (see below), whose sum is σ = 598946433504192. Its totient is φ = 196994517821760.

The previous prime is 396641238992819. The next prime is 396641238992881. The reversal of 396641238992822 is 228299832146693.

It is a super-3 number, since 3×396641238992822³ (a number of 45 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 396641238992822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522119054 + ... + 522878177.

It is an arithmetic number, because the mean of its divisors is an integer number (37434152094012).

Almost surely, 2^{396641238992822} is an apocalyptic number.

396641238992822 is a deficient number, since it is larger than the sum of its proper divisors (202305194511370).

396641238992822 is a wasteful number, since it uses less digits than its factorization.

396641238992822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044998503.

The product of its digits is 967458816, while the sum is 74.

The spelling of 396641238992822 in words is "three hundred ninety-six trillion, six hundred forty-one billion, two hundred thirty-eight million, nine hundred ninety-two thousand, eight hundred twenty-two".