442432052407 has 2 divisors, whose sum is σ = 442432052408. Its totient is φ = 442432052406.

The previous prime is 442432052353. The next prime is 442432052477. The reversal of 442432052407 is 704250234244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442432052407 - 2¹⁵ = 442432019639 is a prime.

It is a super-2 number, since 2×442432052407² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442432052477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221216026203 + 221216026204.

It is an arithmetic number, because the mean of its divisors is an integer number (221216026204).

Almost surely, 2^442432052407 is an apocalyptic number.

442432052407 is a deficient number, since it is larger than the sum of its proper divisors (1).

442432052407 is an equidigital number, since it uses as much as digits as its factorization.

442432052407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 215040, while the sum is 37.

The spelling of 442432052407 in words is "four hundred forty-two billion, four hundred thirty-two million, fifty-two thousand, four hundred seven".