44051745820 has 48 divisors (see below), whose sum is σ = 92828473920. Its totient is φ = 17559876096.

The previous prime is 44051745809. The next prime is 44051745821. The reversal of 44051745820 is 2854715044.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44051745821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10656474 + ... + 10660606.

It is an arithmetic number, because the mean of its divisors is an integer number (1933926540).

Almost surely, 2^44051745820 is an apocalyptic number.

It is an amenable number.

44051745820 is an abundant number, since it is smaller than the sum of its proper divisors (48776728100).

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

44051745820 is a wasteful number, since it uses less digits than its factorization.

44051745820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5854 (or 5852 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 40.

The spelling of 44051745820 in words is "forty-four billion, fifty-one million, seven hundred forty-five thousand, eight hundred twenty".