44228929920 has 768 divisors, whose sum is σ = 174957580800. Its totient is φ = 9305063424.

The previous prime is 44228929807. The next prime is 44228929939. The reversal of 44228929920 is 2992982244.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 229165344 + ... + 229165536.

It is an arithmetic number, because the mean of its divisors is an integer number (227809350).

Almost surely, 2^44228929920 is an apocalyptic number.

44228929920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44228929920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87478790400).

44228929920 is an abundant number, since it is smaller than the sum of its proper divisors (130728650880).

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

44228929920 is a wasteful number, since it uses less digits than its factorization.

44228929920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 44228929920 in words is "forty-four billion, two hundred twenty-eight million, nine hundred twenty-nine thousand, nine hundred twenty".