442430243235525 has 48 divisors (see below), whose sum is σ = 735932157327360. Its totient is φ = 234532047960000.

The previous prime is 442430243235503. The next prime is 442430243235551. The reversal of 442430243235525 is 525532342034244.

It is not a de Polignac number, because 442430243235525 - 2²² = 442430239041221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15515467 + ... + 33549816.

It is an arithmetic number, because the mean of its divisors is an integer number (15331919944320).

Almost surely, 2^{442430243235525} is an apocalyptic number.

It is an amenable number.

442430243235525 is a deficient number, since it is larger than the sum of its proper divisors (293501914091835).

442430243235525 is a wasteful number, since it uses less digits than its factorization.

442430243235525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49066026 (or 49066021 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 48.

Adding to 442430243235525 its reverse (525532342034244), we get a palindrome (967962585269769).

The spelling of 442430243235525 in words is "four hundred forty-two trillion, four hundred thirty billion, two hundred forty-three million, two hundred thirty-five thousand, five hundred twenty-five".