442404522152025 has 48 divisors (see below), whose sum is σ = 741754870364160. Its totient is φ = 232622488436800.

The previous prime is 442404522151993. The next prime is 442404522152041. The reversal of 442404522152025 is 520251225404244.

It is not a de Polignac number, because 442404522152025 - 2⁵ = 442404522151993 is a prime.

It is a super-2 number, since 2×442404522152025² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 391776874 + ... + 392904476.

It is an arithmetic number, because the mean of its divisors is an integer number (15453226465920).

Almost surely, 2^{442404522152025} is an apocalyptic number.

It is an amenable number.

442404522152025 is a deficient number, since it is larger than the sum of its proper divisors (299350348212135).

442404522152025 is a wasteful number, since it uses less digits than its factorization.

442404522152025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201366 (or 1201361 counting only the distinct ones).

The product of its (nonzero) digits is 1024000, while the sum is 42.

Adding to 442404522152025 its reverse (520251225404244), we get a palindrome (962655747556269).

The spelling of 442404522152025 in words is "four hundred forty-two trillion, four hundred four billion, five hundred twenty-two million, one hundred fifty-two thousand, twenty-five".