44008907089 has 27 divisors (see below), whose sum is σ = 53557740873. Its totient is φ = 36054145512.

The previous prime is 44008907083. The next prime is 44008907099. The reversal of 44008907089 is 98070980044.

The square root of 44008907089 is 209783.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 44008907089 - 2⁹ = 44008906577 is a prime.

It is a super-3 number, since 3×44008907089³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (44008907083) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 33774412 + ... + 33775714.

Almost surely, 2^44008907089 is an apocalyptic number.

44008907089 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

44008907089 is the 209783-rd square number.

44008907089 is the 104892-nd centered octagonal number.

It is an amenable number.

44008907089 is a deficient number, since it is larger than the sum of its proper divisors (9548833784).

44008907089 is an frugal number, since it uses more digits than its factorization.

44008907089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666 (or 1333 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

Multiplying 44008907089 by its sum of digits (49), we get a square (2156436447361 = 1468481²).

44008907089 divided by its sum of digits (49) gives a square (898140961 = 29969²).

The spelling of 44008907089 in words is "forty-four billion, eight million, nine hundred seven thousand, eighty-nine".