44444460561 has 16 divisors (see below), whose sum is σ = 62750793600. Its totient is φ = 27884199168.

The previous prime is 44444460559. The next prime is 44444460563. The reversal of 44444460561 is 16506444444.

It is an interprime number because it is at equal distance from previous prime (44444460559) and next prime (44444460563).

It is not a de Polignac number, because 44444460561 - 2¹ = 44444460559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44444460563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646020 + ... + 711498.

It is an arithmetic number, because the mean of its divisors is an integer number (3921924600).

Almost surely, 2^44444460561 is an apocalyptic number.

It is an amenable number.

44444460561 is a deficient number, since it is larger than the sum of its proper divisors (18306333039).

44444460561 is a wasteful number, since it uses less digits than its factorization.

44444460561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78808.

The product of its (nonzero) digits is 737280, while the sum is 42.

The spelling of 44444460561 in words is "forty-four billion, four hundred forty-four million, four hundred sixty thousand, five hundred sixty-one".