44145552401 has 4 divisors (see below), whose sum is σ = 44152680000. Its totient is φ = 44138424804.

The previous prime is 44145552331. The next prime is 44145552421. The reversal of 44145552401 is 10425554144.

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 a de Polignac number, because none of the positive numbers 2^k-44145552401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44145552421) 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, 3554501 + ... + 3566898.

It is an arithmetic number, because the mean of its divisors is an integer number (11038170000).

Almost surely, 2^44145552401 is an apocalyptic number.

It is an amenable number.

44145552401 is a deficient number, since it is larger than the sum of its proper divisors (7127599).

44145552401 is an equidigital number, since it uses as much as digits as its factorization.

44145552401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7127598.

The product of its (nonzero) digits is 64000, while the sum is 35.

The spelling of 44145552401 in words is "forty-four billion, one hundred forty-five million, five hundred fifty-two thousand, four hundred one".