44229072820 has 24 divisors (see below), whose sum is σ = 93352538664. Its totient is φ = 17601822336.

The previous prime is 44229072791. The next prime is 44229072821. The reversal of 44229072820 is 2827092244.

It can be written as a sum of positive squares in 4 ways, for example, as 25721102884 + 18507969936 = 160378^2 + 136044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44229072821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5608887 + ... + 5616766.

It is an arithmetic number, because the mean of its divisors is an integer number (3889689111).

Almost surely, 2^44229072820 is an apocalyptic number.

It is an amenable number.

44229072820 is an abundant number, since it is smaller than the sum of its proper divisors (49123465844).

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

44229072820 is a wasteful number, since it uses less digits than its factorization.

44229072820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11225859 (or 11225857 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 44229072820 in words is "forty-four billion, two hundred twenty-nine million, seventy-two thousand, eight hundred twenty".