442278813525133 has 24 divisors (see below), whose sum is σ = 480779779087872. Its totient is φ = 406669943204928.

The previous prime is 442278813525097. The next prime is 442278813525137. The reversal of 442278813525133 is 331525318872244.

It is not a de Polignac number, because 442278813525133 - 2³⁷ = 442141374571661 is a prime.

It is a super-2 number, since 2×442278813525133² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442278813525137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 521517435 + ... + 522364807.

It is an arithmetic number, because the mean of its divisors is an integer number (20032490795328).

Almost surely, 2^{442278813525133} is an apocalyptic number.

It is an amenable number.

442278813525133 is a deficient number, since it is larger than the sum of its proper divisors (38500965562739).

442278813525133 is a wasteful number, since it uses less digits than its factorization.

442278813525133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859405 (or 859392 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 58.

The spelling of 442278813525133 in words is "four hundred forty-two trillion, two hundred seventy-eight billion, eight hundred thirteen million, five hundred twenty-five thousand, one hundred thirty-three".