42344555 has 12 divisors (see below), whose sum is σ = 55853616. Its totient is φ = 30795600.

The previous prime is 42344537. The next prime is 42344567. The reversal of 42344555 is 55544324.

It is not a de Polignac number, because 42344555 - 2¹⁴ = 42328171 is a prime.

It is a super-2 number, since 2×42344555² = 3586122676296050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34391 + ... + 35600.

It is an arithmetic number, because the mean of its divisors is an integer number (4654468).

Almost surely, 2^42344555 is an apocalyptic number.

42344555 is a deficient number, since it is larger than the sum of its proper divisors (13509061).

42344555 is a wasteful number, since it uses less digits than its factorization.

42344555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70018 (or 70007 counting only the distinct ones).

The product of its digits is 48000, while the sum is 32.

The square root of 42344555 is about 6507.2693966056. The cubic root of 42344555 is about 348.5506185107.

Adding to 42344555 its reverse (55544324), we get a palindrome (97888879).

The spelling of 42344555 in words is "forty-two million, three hundred forty-four thousand, five hundred fifty-five".