44651221344 has 108 divisors (see below), whose sum is σ = 134885758644. Its totient is φ = 14008200192.

The previous prime is 44651221343. The next prime is 44651221357. The reversal of 44651221344 is 44312215644.

44651221344 is a `hidden beast` number, since 4 + 4 + 6 + 512 + 2 + 134 + 4 = 666.

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 = 44651221299 and 44651221308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44651221343) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 185002 + ... + 351465.

Almost surely, 2^44651221344 is an apocalyptic number.

It is an amenable number.

44651221344 is an abundant number, since it is smaller than the sum of its proper divisors (90234537300).

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

44651221344 is a wasteful number, since it uses less digits than its factorization.

44651221344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536517 (or 536489 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

Adding to 44651221344 its reverse (44312215644), we get a palindrome (88963436988).

It can be divided in two parts, 446512 and 21344, that added together give a square (467856 = 684²).

The spelling of 44651221344 in words is "forty-four billion, six hundred fifty-one million, two hundred twenty-one thousand, three hundred forty-four".