440164671744 has 72 divisors (see below), whose sum is σ = 1338834226240. Its totient is φ = 125761333248.

The previous prime is 440164671743. The next prime is 440164671767. The reversal of 440164671744 is 447176461044.

440164671744 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 440164671693 and 440164671702.

It is not an unprimeable number, because it can be changed into a prime (440164671743) 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, 40932559 + ... + 40943310.

Almost surely, 2^440164671744 is an apocalyptic number.

It is an amenable number.

440164671744 is an abundant number, since it is smaller than the sum of its proper divisors (898669554496).

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

440164671744 is an equidigital number, since it uses as much as digits as its factorization.

440164671744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81875895 (or 81875881 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 48.

The spelling of 440164671744 in words is "four hundred forty billion, one hundred sixty-four million, six hundred seventy-one thousand, seven hundred forty-four".