44545440000 has 720 divisors, whose sum is σ = 161373244032. Its totient is φ = 10862592000.

The previous prime is 44545439977. The next prime is 44545440019. The reversal of 44545440000 is 4454544.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 44545440000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 432479949 + ... + 432480051.

Almost surely, 2^44545440000 is an apocalyptic number.

44545440000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44545440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80686622016).

44545440000 is an abundant number, since it is smaller than the sum of its proper divisors (116827804032).

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

44545440000 is a wasteful number, since it uses less digits than its factorization.

44545440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

Adding to 44545440000 its reverse (4454544), we get a palindrome (44549894544).

44545440000 divided by its reverse (4454544) gives a 4-th power (10000 = 10⁴).

The spelling of 44545440000 in words is "forty-four billion, five hundred forty-five million, four hundred forty thousand".