44309803860 has 288 divisors, whose sum is σ = 161934339840. Its totient is φ = 9580529664.

The previous prime is 44309803849. The next prime is 44309803861. The reversal of 44309803860 is 6830890344.

It is a super-2 number, since 2×44309803860² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44309803861) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26740152 + ... + 26741808.

Almost surely, 2^44309803860 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 44309803860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80967169920).

44309803860 is an abundant number, since it is smaller than the sum of its proper divisors (117624535980).

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

44309803860 is a wasteful number, since it uses less digits than its factorization.

44309803860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815 (or 2810 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 44309803860 in words is "forty-four billion, three hundred nine million, eight hundred three thousand, eight hundred sixty".