44472868638 has 32 divisors (see below), whose sum is σ = 97170233472. Its totient is φ = 13457388000.

The previous prime is 44472868631. The next prime is 44472868639. The reversal of 44472868638 is 83686827444.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44472868631) 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, 434356 + ... + 526887.

It is an arithmetic number, because the mean of its divisors is an integer number (3036569796).

Almost surely, 2^44472868638 is an apocalyptic number.

44472868638 is an abundant number, since it is smaller than the sum of its proper divisors (52697364834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44472868638 is a wasteful number, since it uses less digits than its factorization.

44472868638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961960.

The product of its digits is 49545216, while the sum is 60.

The spelling of 44472868638 in words is "forty-four billion, four hundred seventy-two million, eight hundred sixty-eight thousand, six hundred thirty-eight".