44542505405 has 8 divisors (see below), whose sum is σ = 53980224984. Its totient is φ = 35281192000.

The previous prime is 44542505377. The next prime is 44542505419. The reversal of 44542505405 is 50450524544.

It can be written as a sum of positive squares in 4 ways, for example, as 31367597881 + 13174907524 = 177109^2 + 114782^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44542505405 - 2¹⁸ = 44542243261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44100986 + ... + 44101995.

It is an arithmetic number, because the mean of its divisors is an integer number (6747528123).

Almost surely, 2^44542505405 is an apocalyptic number.

It is an amenable number.

44542505405 is a deficient number, since it is larger than the sum of its proper divisors (9437719579).

44542505405 is a wasteful number, since it uses less digits than its factorization.

44542505405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88203087.

The product of its (nonzero) digits is 320000, while the sum is 38.

The spelling of 44542505405 in words is "forty-four billion, five hundred forty-two million, five hundred five thousand, four hundred five".