442513140262644 has 96 divisors (see below), whose sum is σ = 1212870240691200. Its totient is φ = 124067855234560.

The previous prime is 442513140262591. The next prime is 442513140262657. The reversal of 442513140262644 is 446262041315244.

It is a junction number, because it is equal to n+sod(n) for n = 442513140262593 and 442513140262602.

It is a congruent number.

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, 1671040224 + ... + 1671305015.

It is an arithmetic number, because the mean of its divisors is an integer number (12634065007200).

Almost surely, 2^{442513140262644} is an apocalyptic number.

442513140262644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442513140262644 is an abundant number, since it is smaller than the sum of its proper divisors (770357100428556).

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

442513140262644 is a wasteful number, since it uses less digits than its factorization.

442513140262644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342345333 (or 3342345331 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 48.

Adding to 442513140262644 its reverse (446262041315244), we get a palindrome (888775181577888).

The spelling of 442513140262644 in words is "four hundred forty-two trillion, five hundred thirteen billion, one hundred forty million, two hundred sixty-two thousand, six hundred forty-four".