396644465422 has 16 divisors (see below), whose sum is σ = 603111075840. Its totient is φ = 195612549912.

The previous prime is 396644465417. The next prime is 396644465429. The reversal of 396644465422 is 224564446693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396644465429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121598 + ... + 1432225.

It is an arithmetic number, because the mean of its divisors is an integer number (37694442240).

Almost surely, 2^396644465422 is an apocalyptic number.

396644465422 is a deficient number, since it is larger than the sum of its proper divisors (206466610418).

396644465422 is a wasteful number, since it uses less digits than its factorization.

396644465422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554887.

The product of its digits is 29859840, while the sum is 55.

The spelling of 396644465422 in words is "three hundred ninety-six billion, six hundred forty-four million, four hundred sixty-five thousand, four hundred twenty-two".