440397697696 has 48 divisors (see below), whose sum is σ = 946030065120. Its totient is φ = 200143540480.

The previous prime is 440397697673. The next prime is 440397697697. The reversal of 440397697696 is 696796793044.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (440397697697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1824870 + ... + 2052058.

It is an arithmetic number, because the mean of its divisors is an integer number (19708959690).

Almost surely, 2^440397697696 is an apocalyptic number.

It is an amenable number.

440397697696 is an abundant number, since it is smaller than the sum of its proper divisors (505632367424).

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

440397697696 is a wasteful number, since it uses less digits than its factorization.

440397697696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232717 (or 232709 counting only the distinct ones).

The product of its (nonzero) digits is 370355328, while the sum is 70.

The spelling of 440397697696 in words is "four hundred forty billion, three hundred ninety-seven million, six hundred ninety-seven thousand, six hundred ninety-six".