396805440041 has 8 divisors (see below), whose sum is σ = 420167126304. Its totient is φ = 373445997120.

The previous prime is 396805440037. The next prime is 396805440049. The reversal of 396805440041 is 140044508693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 396805440041 - 2² = 396805440037 is a prime.

It is a super-2 number, since 2×396805440041² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 396805439974 and 396805440001.

It is not an unprimeable number, because it can be changed into a prime (396805440049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189635 + ... + 910808.

It is an arithmetic number, because the mean of its divisors is an integer number (52520890788).

Almost surely, 2^396805440041 is an apocalyptic number.

It is an amenable number.

396805440041 is a deficient number, since it is larger than the sum of its proper divisors (23361686263).

396805440041 is a wasteful number, since it uses less digits than its factorization.

396805440041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121671.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 396805440041 in words is "three hundred ninety-six billion, eight hundred five million, four hundred forty thousand, forty-one".