44407147668 has 96 divisors (see below), whose sum is σ = 113498601216. Its totient is φ = 13431647232.

The previous prime is 44407147651. The next prime is 44407147679. The reversal of 44407147668 is 86674170444.

It is a self number, because there is not a number n which added to its sum of digits gives 44407147668.

It is a congruent number.

It is an unprimeable number.

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, 2191230 + ... + 2211402.

It is an arithmetic number, because the mean of its divisors is an integer number (1182277096).

Almost surely, 2^44407147668 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 44407147668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56749300608).

44407147668 is an abundant number, since it is smaller than the sum of its proper divisors (69091453548).

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

44407147668 is a wasteful number, since it uses less digits than its factorization.

44407147668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20433 (or 20431 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 51.

The spelling of 44407147668 in words is "forty-four billion, four hundred seven million, one hundred forty-seven thousand, six hundred sixty-eight".