44145989085 has 48 divisors (see below), whose sum is σ = 77743916352. Its totient is φ = 21389721760.

The previous prime is 44145989047. The next prime is 44145989093. The reversal of 44145989085 is 58098954144.

It is not a de Polignac number, because 44145989085 - 2¹¹ = 44145987037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29687212 + ... + 29688698.

It is an arithmetic number, because the mean of its divisors is an integer number (1619664924).

Almost surely, 2^44145989085 is an apocalyptic number.

It is an amenable number.

44145989085 is a deficient number, since it is larger than the sum of its proper divisors (33597927267).

44145989085 is an frugal number, since it uses more digits than its factorization.

44145989085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3015 (or 1506 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 57.

The spelling of 44145989085 in words is "forty-four billion, one hundred forty-five million, nine hundred eighty-nine thousand, eighty-five".