44070855721 has 4 divisors (see below), whose sum is σ = 44142053200. Its totient is φ = 43999658244.

The previous prime is 44070855701. The next prime is 44070855739. The reversal of 44070855721 is 12755807044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44070855721 - 2¹⁵ = 44070822953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44070855701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35597811 + ... + 35599048.

It is an arithmetic number, because the mean of its divisors is an integer number (11035513300).

Almost surely, 2^44070855721 is an apocalyptic number.

It is an amenable number.

44070855721 is a deficient number, since it is larger than the sum of its proper divisors (71197479).

44070855721 is an equidigital number, since it uses as much as digits as its factorization.

44070855721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71197478.

The product of its (nonzero) digits is 313600, while the sum is 43.

The spelling of 44070855721 in words is "forty-four billion, seventy million, eight hundred fifty-five thousand, seven hundred twenty-one".