440899812006 has 16 divisors (see below), whose sum is σ = 881872531200. Its totient is φ = 146954452808.

The previous prime is 440899811999. The next prime is 440899812007. The reversal of 440899812006 is 600218998044.

It is a super-2 number, since 2×440899812006² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 440899812006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440899812007) 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, 2959026 + ... + 3104453.

It is an arithmetic number, because the mean of its divisors is an integer number (55117033200).

Almost surely, 2^440899812006 is an apocalyptic number.

440899812006 is an abundant number, since it is smaller than the sum of its proper divisors (440972719194).

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

440899812006 is a wasteful number, since it uses less digits than its factorization.

440899812006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6075603.

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 440899812006 in words is "four hundred forty billion, eight hundred ninety-nine million, eight hundred twelve thousand, six".