43450220005 has 8 divisors (see below), whose sum is σ = 52151834232. Its totient is φ = 34752462528.

The previous prime is 43450220003. The next prime is 43450220063. The reversal of 43450220005 is 50002205434.

It can be written as a sum of positive squares in 4 ways, for example, as 12574116 + 43437645889 = 3546^2 + 208417^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 43450220005 - 2¹ = 43450220003 is a prime.

It is a super-3 number, since 3×43450220005³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43450220003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939342 + ... + 984511.

It is an arithmetic number, because the mean of its divisors is an integer number (6518979279).

Almost surely, 2^43450220005 is an apocalyptic number.

It is an amenable number.

43450220005 is a deficient number, since it is larger than the sum of its proper divisors (8701614227).

43450220005 is a wasteful number, since it uses less digits than its factorization.

43450220005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928375.

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 43450220005 its reverse (50002205434), we get a palindrome (93452425439).

The spelling of 43450220005 in words is "forty-three billion, four hundred fifty million, two hundred twenty thousand, five".