44545054545 has 160 divisors (see below), whose sum is σ = 86587522560. Its totient is φ = 21835008000.

The previous prime is 44545054501. The next prime is 44545054549. The reversal of 44545054545 is 54545054544.

44545054545 is a `hidden beast` number, since 4 + 4 + 5 + 4 + 50 + 54 + 545 = 666.

It is not a de Polignac number, because 44545054545 - 2¹⁰ = 44545053521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 44545054545.

It is not an unprimeable number, because it can be changed into a prime (44545054549) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 85498885 + ... + 85499405.

It is an arithmetic number, because the mean of its divisors is an integer number (541172016).

Almost surely, 2^44545054545 is an apocalyptic number.

44545054545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44545054545 is a deficient number, since it is larger than the sum of its proper divisors (42042468015).

44545054545 is a wasteful number, since it uses less digits than its factorization.

44545054545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 3200000, while the sum is 45.

Subtracting 44545054545 from its reverse (54545054544), we obtain a palindrome (9999999999).

The spelling of 44545054545 in words is "forty-four billion, five hundred forty-five million, fifty-four thousand, five hundred forty-five".