44120665535 has 16 divisors (see below), whose sum is σ = 53838885600. Its totient is φ = 34704907776.

The previous prime is 44120665531. The next prime is 44120665543. The reversal of 44120665535 is 53556602144.

It is a happy number.

It is not a de Polignac number, because 44120665535 - 2² = 44120665531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44120665492 and 44120665501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44120665531) 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 15 ways as a sum of consecutive naturals, for example, 197294 + ... + 356603.

It is an arithmetic number, because the mean of its divisors is an integer number (3364930350).

Almost surely, 2^44120665535 is an apocalyptic number.

44120665535 is a deficient number, since it is larger than the sum of its proper divisors (9718220065).

44120665535 is a wasteful number, since it uses less digits than its factorization.

44120665535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554170.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 44120665535 in words is "forty-four billion, one hundred twenty million, six hundred sixty-five thousand, five hundred thirty-five".