4544478071782 has 16 divisors (see below), whose sum is σ = 7469765839872. Its totient is φ = 2056408746120.

The previous prime is 4544478071773. The next prime is 4544478071863. The reversal of 4544478071782 is 2871708744454.

It is a self number, because there is not a number n which added to its sum of digits gives 4544478071782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463150218 + ... + 463160029.

It is an arithmetic number, because the mean of its divisors is an integer number (466860364992).

Almost surely, 2^{4544478071782} is an apocalyptic number.

4544478071782 is a deficient number, since it is larger than the sum of its proper divisors (2925287768090).

4544478071782 is a wasteful number, since it uses less digits than its factorization.

4544478071782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926310483.

The product of its (nonzero) digits is 56197120, while the sum is 61.

The spelling of 4544478071782 in words is "four trillion, five hundred forty-four billion, four hundred seventy-eight million, seventy-one thousand, seven hundred eighty-two".