44400561635541 has 4 divisors (see below), whose sum is σ = 59200748847392. Its totient is φ = 29600374423692.

The previous prime is 44400561635467. The next prime is 44400561635567. The reversal of 44400561635541 is 14553616500444.

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 not a de Polignac number, because 44400561635541 - 2¹⁴ = 44400561619157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44400561633541) 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, 7400093605921 + ... + 7400093605926.

It is an arithmetic number, because the mean of its divisors is an integer number (14800187211848).

Almost surely, 2^{44400561635541} is an apocalyptic number.

It is an amenable number.

44400561635541 is a deficient number, since it is larger than the sum of its proper divisors (14800187211851).

44400561635541 is a wasteful number, since it uses less digits than its factorization.

44400561635541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14800187211850.

The product of its (nonzero) digits is 3456000, while the sum is 48.

The spelling of 44400561635541 in words is "forty-four trillion, four hundred billion, five hundred sixty-one million, six hundred thirty-five thousand, five hundred forty-one".