44416636653 has 16 divisors (see below), whose sum is σ = 60502590720. Its totient is φ = 28977521664.

The previous prime is 44416636633. The next prime is 44416636703. The reversal of 44416636653 is 35663661444.

It is a happy number.

It is not a de Polignac number, because 44416636653 - 2²⁸ = 44148201197 is a prime.

It is a super-2 number, since 2×44416636653² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44416636603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 802476 + ... + 856037.

It is an arithmetic number, because the mean of its divisors is an integer number (3781411920).

Almost surely, 2^44416636653 is an apocalyptic number.

It is an amenable number.

44416636653 is a deficient number, since it is larger than the sum of its proper divisors (16085954067).

44416636653 is a wasteful number, since it uses less digits than its factorization.

44416636653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658708.

The product of its digits is 3732480, while the sum is 48.

The spelling of 44416636653 in words is "forty-four billion, four hundred sixteen million, six hundred thirty-six thousand, six hundred fifty-three".