44989538 has 8 divisors (see below), whose sum is σ = 73619280. Its totient is φ = 20449780.

The previous prime is 44989537. The next prime is 44989543. The reversal of 44989538 is 83598944.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44989537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022468 + ... + 1022511.

It is an arithmetic number, because the mean of its divisors is an integer number (9202410).

Almost surely, 2^44989538 is an apocalyptic number.

44989538 is a deficient number, since it is larger than the sum of its proper divisors (28629742).

44989538 is a wasteful number, since it uses less digits than its factorization.

44989538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044992.

The product of its digits is 1244160, while the sum is 50.

The square root of 44989538 is about 6707.4240957315. The cubic root of 44989538 is about 355.6617637068.

The spelling of 44989538 in words is "forty-four million, nine hundred eighty-nine thousand, five hundred thirty-eight".