42344444555 has 16 divisors (see below), whose sum is σ = 58075786944. Its totient is φ = 29034487680.

The previous prime is 42344444437. The next prime is 42344444557. The reversal of 42344444555 is 55544444324.

It is not a de Polignac number, because 42344444555 - 2⁸ = 42344444299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42344444557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 976025 + ... + 1018485.

It is an arithmetic number, because the mean of its divisors is an integer number (3629736684).

Almost surely, 2^42344444555 is an apocalyptic number.

42344444555 is a deficient number, since it is larger than the sum of its proper divisors (15731342389).

42344444555 is a wasteful number, since it uses less digits than its factorization.

42344444555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70966.

The product of its digits is 3072000, while the sum is 44.

Adding to 42344444555 its reverse (55544444324), we get a palindrome (97888888879).

The spelling of 42344444555 in words is "forty-two billion, three hundred forty-four million, four hundred forty-four thousand, five hundred fifty-five".