44450971136 has 320 divisors, whose sum is σ = 112258814976. Its totient is φ = 17272012800.

The previous prime is 44450971111. The next prime is 44450971139. The reversal of 44450971136 is 63117905444.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44450971139) 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 31 ways as a sum of consecutive naturals, for example, 88371461 + ... + 88371963.

Almost surely, 2^44450971136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44450971136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56129407488).

44450971136 is an abundant number, since it is smaller than the sum of its proper divisors (67807843840).

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

44450971136 is a wasteful number, since it uses less digits than its factorization.

44450971136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 44450971136 in words is "forty-four billion, four hundred fifty million, nine hundred seventy-one thousand, one hundred thirty-six".