44623232643 has 16 divisors (see below), whose sum is σ = 66006633600. Its totient is φ = 26586002880.

The previous prime is 44623232617. The next prime is 44623232677. The reversal of 44623232643 is 34623232644.

It is not a de Polignac number, because 44623232643 - 2⁸ = 44623232387 is a prime.

It is a super-2 number, since 2×44623232643² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44623232603) 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 15 ways as a sum of consecutive naturals, for example, 11457538 + ... + 11461431.

It is an arithmetic number, because the mean of its divisors is an integer number (4125414600).

Almost surely, 2^44623232643 is an apocalyptic number.

44623232643 is a deficient number, since it is larger than the sum of its proper divisors (21383400957).

44623232643 is a wasteful number, since it uses less digits than its factorization.

44623232643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22919042.

The product of its digits is 497664, while the sum is 39.

Subtracting from 44623232643 its reverse (34623232644), we obtain a palindrome (9999999999).

The spelling of 44623232643 in words is "forty-four billion, six hundred twenty-three million, two hundred thirty-two thousand, six hundred forty-three".