44415621443 has 8 divisors (see below), whose sum is σ = 45048979296. Its totient is φ = 43782480000.

The previous prime is 44415621413. The next prime is 44415621449. The reversal of 44415621443 is 34412651444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44415621443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44415621397 and 44415621406.

It is not an unprimeable number, because it can be changed into a prime (44415621449) 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, 384443 + ... + 486443.

It is an arithmetic number, because the mean of its divisors is an integer number (5631122412).

Almost surely, 2^44415621443 is an apocalyptic number.

44415621443 is a deficient number, since it is larger than the sum of its proper divisors (633357853).

44415621443 is a wasteful number, since it uses less digits than its factorization.

44415621443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108205.

The product of its digits is 184320, while the sum is 38.

The spelling of 44415621443 in words is "forty-four billion, four hundred fifteen million, six hundred twenty-one thousand, four hundred forty-three".