44321332646 has 4 divisors (see below), whose sum is σ = 66481998972. Its totient is φ = 22160666322.

The previous prime is 44321332631. The next prime is 44321332667. The reversal of 44321332646 is 64623312344.

44321332646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×44321332646² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11080333160 + ... + 11080333163.

It is an arithmetic number, because the mean of its divisors is an integer number (16620499743).

Almost surely, 2^44321332646 is an apocalyptic number.

44321332646 is a deficient number, since it is larger than the sum of its proper divisors (22160666326).

44321332646 is a wasteful number, since it uses less digits than its factorization.

44321332646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22160666325.

The product of its digits is 248832, while the sum is 38.

The spelling of 44321332646 in words is "forty-four billion, three hundred twenty-one million, three hundred thirty-two thousand, six hundred forty-six".