396444445321 has 16 divisors (see below), whose sum is σ = 400099392000. Its totient is φ = 392809356288.

The previous prime is 396444445303. The next prime is 396444445333. The reversal of 396444445321 is 123544444693.

It is a cyclic number.

It is not a de Polignac number, because 396444445321 - 2⁷ = 396444445193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396444445301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51489130 + ... + 51496828.

It is an arithmetic number, because the mean of its divisors is an integer number (25006212000).

Almost surely, 2^396444445321 is an apocalyptic number.

It is an amenable number.

396444445321 is a deficient number, since it is larger than the sum of its proper divisors (3654946679).

396444445321 is a wasteful number, since it uses less digits than its factorization.

396444445321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8928.

The product of its digits is 4976640, while the sum is 49.

The spelling of 396444445321 in words is "three hundred ninety-six billion, four hundred forty-four million, four hundred forty-five thousand, three hundred twenty-one".