42878540056574 has 4 divisors (see below), whose sum is σ = 64317810084864. Its totient is φ = 21439270028286.

The previous prime is 42878540056571. The next prime is 42878540056589. The reversal of 42878540056574 is 47565004587824.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42878540056574.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42878540056571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10719635014142 + ... + 10719635014145.

It is an arithmetic number, because the mean of its divisors is an integer number (16079452521216).

Almost surely, 2^{42878540056574} is an apocalyptic number.

42878540056574 is a deficient number, since it is larger than the sum of its proper divisors (21439270028290).

42878540056574 is a wasteful number, since it uses less digits than its factorization.

42878540056574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21439270028289.

The product of its (nonzero) digits is 301056000, while the sum is 65.

The spelling of 42878540056574 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred forty million, fifty-six thousand, five hundred seventy-four".