44790809121 has 24 divisors (see below), whose sum is σ = 64950926976. Its totient is φ = 29743953120.

The previous prime is 44790809101. The next prime is 44790809123. The reversal of 44790809121 is 12190809744.

It is a happy number.

44790809121 is a `hidden beast` number, since 447 + 9 + 0 + 80 + 9 + 121 = 666.

It is not a de Polignac number, because 44790809121 - 2⁹ = 44790808609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44790809123) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2524146 + ... + 2541828.

It is an arithmetic number, because the mean of its divisors is an integer number (2706288624).

Almost surely, 2^44790809121 is an apocalyptic number.

It is an amenable number.

44790809121 is a deficient number, since it is larger than the sum of its proper divisors (20160117855).

44790809121 is a wasteful number, since it uses less digits than its factorization.

44790809121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18773 (or 18770 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 44790809121 in words is "forty-four billion, seven hundred ninety million, eight hundred nine thousand, one hundred twenty-one".