442242592878 has 32 divisors (see below), whose sum is σ = 915022056960. Its totient is φ = 142325134560.

The previous prime is 442242592877. The next prime is 442242592889. The reversal of 442242592878 is 878295242244.

It is a super-3 number, since 3×442242592878³ (a number of 36 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442242592877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6842751 + ... + 6907077.

It is an arithmetic number, because the mean of its divisors is an integer number (28594439280).

Almost surely, 2^442242592878 is an apocalyptic number.

442242592878 is an abundant number, since it is smaller than the sum of its proper divisors (472779464082).

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

442242592878 is a wasteful number, since it uses less digits than its factorization.

442242592878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103872.

The product of its digits is 20643840, while the sum is 57.

The spelling of 442242592878 in words is "four hundred forty-two billion, two hundred forty-two million, five hundred ninety-two thousand, eight hundred seventy-eight".