44145043566 has 32 divisors (see below), whose sum is σ = 95197582368. Its totient is φ = 13566526080.

The previous prime is 44145043531. The next prime is 44145043627. The reversal of 44145043566 is 66534054144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280641 + ... + 408716.

It is an arithmetic number, because the mean of its divisors is an integer number (2974924449).

Almost surely, 2^44145043566 is an apocalyptic number.

44145043566 is an abundant number, since it is smaller than the sum of its proper divisors (51052538802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44145043566 is a wasteful number, since it uses less digits than its factorization.

44145043566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690196.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 44145043566 in words is "forty-four billion, one hundred forty-five million, forty-three thousand, five hundred sixty-six".