44445442403 has 4 divisors (see below), whose sum is σ = 44463652728. Its totient is φ = 44427232080.

The previous prime is 44445442399. The next prime is 44445442429. The reversal of 44445442403 is 30424454444.

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

It is a cyclic number.

It is not a de Polignac number, because 44445442403 - 2² = 44445442399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44445442493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9101501 + ... + 9106382.

It is an arithmetic number, because the mean of its divisors is an integer number (11115913182).

Almost surely, 2^44445442403 is an apocalyptic number.

44445442403 is a deficient number, since it is larger than the sum of its proper divisors (18210325).

44445442403 is a wasteful number, since it uses less digits than its factorization.

44445442403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18210324.

The product of its (nonzero) digits is 491520, while the sum is 38.

Adding to 44445442403 its reverse (30424454444), we get a palindrome (74869896847).

The spelling of 44445442403 in words is "forty-four billion, four hundred forty-five million, four hundred forty-two thousand, four hundred three".