42203343455 has 64 divisors (see below), whose sum is σ = 66679200000. Its totient is φ = 24882315264.

The previous prime is 42203343451. The next prime is 42203343461. The reversal of 42203343455 is 55434330224.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42203343455 - 2² = 42203343451 is a prime.

It is a super-2 number, since 2×42203343455² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42203343451) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 722171 + ... + 778419.

It is an arithmetic number, because the mean of its divisors is an integer number (1041862500).

Almost surely, 2^42203343455 is an apocalyptic number.

42203343455 is a deficient number, since it is larger than the sum of its proper divisors (24475856545).

42203343455 is a wasteful number, since it uses less digits than its factorization.

42203343455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56388.

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 42203343455 its reverse (55434330224), we get a palindrome (97637673679).

The spelling of 42203343455 in words is "forty-two billion, two hundred three million, three hundred forty-three thousand, four hundred fifty-five".