43442255455 has 4 divisors (see below), whose sum is σ = 52130706552. Its totient is φ = 34753804360.

The previous prime is 43442255431. The next prime is 43442255471. The reversal of 43442255455 is 55455224434.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 43442255455 - 2⁷ = 43442255327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4344225541 + ... + 4344225550.

It is an arithmetic number, because the mean of its divisors is an integer number (13032676638).

Almost surely, 2^43442255455 is an apocalyptic number.

43442255455 is a deficient number, since it is larger than the sum of its proper divisors (8688451097).

43442255455 is an equidigital number, since it uses as much as digits as its factorization.

43442255455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8688451096.

The product of its digits is 1920000, while the sum is 43.

Adding to 43442255455 its reverse (55455224434), we get a palindrome (98897479889).

The spelling of 43442255455 in words is "forty-three billion, four hundred forty-two million, two hundred fifty-five thousand, four hundred fifty-five".