442422104400531 has 24 divisors (see below), whose sum is σ = 639161186636960. Its totient is φ = 294898670822016.

The previous prime is 442422104400511. The next prime is 442422104400541. The reversal of 442422104400531 is 135004401224244.

442422104400531 is a `hidden beast` number, since 4 + 4 + 2 + 4 + 2 + 210 + 4 + 400 + 5 + 31 = 666.

It is not a de Polignac number, because 442422104400531 - 2¹⁷ = 442422104269459 is a prime.

It is a super-2 number, since 2×442422104400531² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442422104400511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3097320045 + ... + 3097462881.

Almost surely, 2^{442422104400531} is an apocalyptic number.

442422104400531 is a deficient number, since it is larger than the sum of its proper divisors (196739082236429).

442422104400531 is a wasteful number, since it uses less digits than its factorization.

442422104400531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198075 (or 198072 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 442422104400531 its reverse (135004401224244), we get a palindrome (577426505624775).

The spelling of 442422104400531 in words is "four hundred forty-two trillion, four hundred twenty-two billion, one hundred four million, four hundred thousand, five hundred thirty-one".