4478747927444 has 24 divisors (see below), whose sum is σ = 8989373080128. Its totient is φ = 1912632563520.

The previous prime is 4478747927417. The next prime is 4478747927501. The reversal of 4478747927444 is 4447297478744.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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, 284610074 + ... + 284625809.

It is an arithmetic number, because the mean of its divisors is an integer number (374557211672).

Almost surely, 2^{4478747927444} is an apocalyptic number.

It is an amenable number.

4478747927444 is an abundant number, since it is smaller than the sum of its proper divisors (4510625152684).

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

4478747927444 is a wasteful number, since it uses less digits than its factorization.

4478747927444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569236175 (or 569236173 counting only the distinct ones).

The product of its digits is 1416167424, while the sum is 71.

The spelling of 4478747927444 in words is "four trillion, four hundred seventy-eight billion, seven hundred forty-seven million, nine hundred twenty-seven thousand, four hundred forty-four".