42031022455 has 16 divisors (see below), whose sum is σ = 51378408000. Its totient is φ = 32999823360.

The previous prime is 42031022443. The next prime is 42031022569. The reversal of 42031022455 is 55422013024.

It is not a de Polignac number, because 42031022455 - 2⁹ = 42031021943 is a prime.

It is a super-3 number, since 3×42031022455³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16515 + ... + 290404.

It is an arithmetic number, because the mean of its divisors is an integer number (3211150500).

Almost surely, 2^42031022455 is an apocalyptic number.

42031022455 is a deficient number, since it is larger than the sum of its proper divisors (9347385545).

42031022455 is a wasteful number, since it uses less digits than its factorization.

42031022455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307434.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 42031022455 its reverse (55422013024), we get a palindrome (97453035479).

The spelling of 42031022455 in words is "forty-two billion, thirty-one million, twenty-two thousand, four hundred fifty-five".