42878306286454 has 8 divisors (see below), whose sum is σ = 64318668814080. Its totient is φ = 21438750015096.

The previous prime is 42878306286437. The next prime is 42878306286469. The reversal of 42878306286454 is 45468260387824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42878306286454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201431094 + ... + 201643849.

It is an arithmetic number, because the mean of its divisors is an integer number (8039833601760).

Almost surely, 2^{42878306286454} is an apocalyptic number.

42878306286454 is a deficient number, since it is larger than the sum of its proper divisors (21440362527626).

42878306286454 is a wasteful number, since it uses less digits than its factorization.

42878306286454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403128134.

The product of its (nonzero) digits is 495452160, while the sum is 67.

The spelling of 42878306286454 in words is "forty-two trillion, eight hundred seventy-eight billion, three hundred six million, two hundred eighty-six thousand, four hundred fifty-four".