442440132400420 has 96 divisors (see below), whose sum is σ = 1158393747603456. Its totient is φ = 137902818211200.

The previous prime is 442440132400411. The next prime is 442440132400477. The reversal of 442440132400420 is 24004231044244.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 467488609 + ... + 468434071.

It is an arithmetic number, because the mean of its divisors is an integer number (12066601537536).

Almost surely, 2^{442440132400420} is an apocalyptic number.

It is an amenable number.

442440132400420 is an abundant number, since it is smaller than the sum of its proper divisors (715953615203036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442440132400420 is a wasteful number, since it uses less digits than its factorization.

442440132400420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249361 (or 1249359 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 442440132400420 its reverse (24004231044244), we get a palindrome (466444363444664).

The spelling of 442440132400420 in words is "four hundred forty-two trillion, four hundred forty billion, one hundred thirty-two million, four hundred thousand, four hundred twenty".