44994894399 has 144 divisors (see below), whose sum is σ = 85581848352. Its totient is φ = 22550524416.

The previous prime is 44994894341. The next prime is 44994894433. The reversal of 44994894399 is 99349849944.

44994894399 is a `hidden beast` number, since 4 + 499 + 4 + 8 + 9 + 43 + 99 = 666.

It is a Cunningham number, because it is equal to 212120²-1.

It is a de Polignac number, because none of the positive numbers 2^k-44994894399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44994896399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 9118737 + ... + 9123669.

Almost surely, 2^44994894399 is an apocalyptic number.

44994894399 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

44994894399 is a deficient number, since it is larger than the sum of its proper divisors (40586953953).

44994894399 is a wasteful number, since it uses less digits than its factorization.

44994894399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5046 (or 5036 counting only the distinct ones).

The product of its digits is 362797056, while the sum is 72.

The spelling of 44994894399 in words is "forty-four billion, nine hundred ninety-four million, eight hundred ninety-four thousand, three hundred ninety-nine".