42878745444801 has 24 divisors (see below), whose sum is σ = 66513461745024. Its totient is φ = 24499320918240.

The previous prime is 42878745444757. The next prime is 42878745444823. The reversal of 42878745444801 is 10844454787824.

42878745444801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42878745444801 - 2⁹ = 42878745444289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42878745444881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15499545 + ... + 18055286.

It is an arithmetic number, because the mean of its divisors is an integer number (2771394239376).

Almost surely, 2^{42878745444801} is an apocalyptic number.

It is an amenable number.

42878745444801 is a deficient number, since it is larger than the sum of its proper divisors (23634716300223).

42878745444801 is a wasteful number, since it uses less digits than its factorization.

42878745444801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33563541 (or 33563534 counting only the distinct ones).

The product of its (nonzero) digits is 256901120, while the sum is 66.

The spelling of 42878745444801 in words is "forty-two trillion, eight hundred seventy-eight billion, seven hundred forty-five million, four hundred forty-four thousand, eight hundred one".