442440112030340 has 24 divisors (see below), whose sum is σ = 929647096472472. Its totient is φ = 176876452200960.

The previous prime is 442440112030327. The next prime is 442440112030417. The reversal of 442440112030340 is 43030211044244.

It can be written as a sum of positive squares in 4 ways, for example, as 67256925865024 + 375183186165316 = 8201032^2 + 19369646^2 .

It is a junction number, because it is equal to n+sod(n) for n = 442440112030297 and 442440112030306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6224501771 + ... + 6224572850.

It is an arithmetic number, because the mean of its divisors is an integer number (38735295686353).

Almost surely, 2^{442440112030340} is an apocalyptic number.

It is an amenable number.

442440112030340 is an abundant number, since it is smaller than the sum of its proper divisors (487206984442132).

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

442440112030340 is a wasteful number, since it uses less digits than its factorization.

442440112030340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12449076407 (or 12449076405 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 442440112030340 its reverse (43030211044244), we get a palindrome (485470323074584).

The spelling of 442440112030340 in words is "four hundred forty-two trillion, four hundred forty billion, one hundred twelve million, thirty thousand, three hundred forty".