44155523340 has 144 divisors (see below), whose sum is σ = 136920655872. Its totient is φ = 11513121408.

The previous prime is 44155523339. The next prime is 44155523341. The reversal of 44155523340 is 4332555144.

44155523340 is a `hidden beast` number, since 4 + 41 + 55 + 523 + 3 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (44155523339) and next prime (44155523341).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 44155523295 and 44155523304.

It is not an unprimeable number, because it can be changed into a prime (44155523341) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 12239817 + ... + 12243423.

It is an arithmetic number, because the mean of its divisors is an integer number (950837888).

Almost surely, 2^44155523340 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 44155523340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68460327936).

44155523340 is an abundant number, since it is smaller than the sum of its proper divisors (92765132532).

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

44155523340 is a wasteful number, since it uses less digits than its factorization.

44155523340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5116 (or 5111 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 44155523340 in words is "forty-four billion, one hundred fifty-five million, five hundred twenty-three thousand, three hundred forty".