44147804972544 has 1280 divisors, whose sum is σ = 163517000908800. Its totient is φ = 11450627555328.

The previous prime is 44147804972543. The next prime is 44147804972561. The reversal of 44147804972544 is 44527940874144.

44147804972544 is a `hidden beast` number, since 4 + 4 + 1 + 4 + 7 + 80 + 4 + 9 + 7 + 2 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44147804972543) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 30509885229 + ... + 30509886675.

It is an arithmetic number, because the mean of its divisors is an integer number (127747656960).

Almost surely, 2^{44147804972544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44147804972544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81758500454400).

44147804972544 is an abundant number, since it is smaller than the sum of its proper divisors (119369195936256).

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

44147804972544 is a wasteful number, since it uses less digits than its factorization.

44147804972544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880 (or 1858 counting only the distinct ones).

The product of its (nonzero) digits is 144506880, while the sum is 63.

The spelling of 44147804972544 in words is "forty-four trillion, one hundred forty-seven billion, eight hundred four million, nine hundred seventy-two thousand, five hundred forty-four".