8464278328044 has 96 divisors (see below), whose sum is σ = 24624245184000. Its totient is φ = 2198434383360.

The previous prime is 8464278328013. The next prime is 8464278328061. The reversal of 8464278328044 is 4408238724648.

It is a super-2 number, since 2×8464278328044² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28003032 + ... + 28303680.

It is an arithmetic number, because the mean of its divisors is an integer number (256502554000).

Almost surely, 2^{8464278328044} is an apocalyptic number.

8464278328044 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8464278328044 is an abundant number, since it is smaller than the sum of its proper divisors (16159966855956).

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

8464278328044 is a wasteful number, since it uses less digits than its factorization.

8464278328044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331143 (or 331141 counting only the distinct ones).

The product of its (nonzero) digits is 66060288, while the sum is 60.

The spelling of 8464278328044 in words is "eight trillion, four hundred sixty-four billion, two hundred seventy-eight million, three hundred twenty-eight thousand, forty-four".