44145544512 has 112 divisors (see below), whose sum is σ = 125769136320. Its totient is φ = 13614784512.

The previous prime is 44145544507. The next prime is 44145544517. The reversal of 44145544512 is 21544554144.

It is an interprime number because it is at equal distance from previous prime (44145544507) and next prime (44145544517).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44145544517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77958 + ... + 307194.

Almost surely, 2^44145544512 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 44145544512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62884568160).

44145544512 is an abundant number, since it is smaller than the sum of its proper divisors (81623591808).

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

44145544512 is a wasteful number, since it uses less digits than its factorization.

44145544512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229328 (or 229318 counting only the distinct ones).

The product of its digits is 256000, while the sum is 39.

The spelling of 44145544512 in words is "forty-four billion, one hundred forty-five million, five hundred forty-four thousand, five hundred twelve".