42878540200805 has 64 divisors (see below), whose sum is σ = 53524559462400. Its totient is φ = 32940923957760.

The previous prime is 42878540200789. The next prime is 42878540200823. The reversal of 42878540200805 is 50800204587824.

It is a happy number.

It is not a de Polignac number, because 42878540200805 - 2⁴ = 42878540200789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21153694202 + ... + 21153696228.

It is an arithmetic number, because the mean of its divisors is an integer number (836321241600).

Almost surely, 2^{42878540200805} is an apocalyptic number.

It is an amenable number.

42878540200805 is a deficient number, since it is larger than the sum of its proper divisors (10646019261595).

42878540200805 is a wasteful number, since it uses less digits than its factorization.

42878540200805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034.

The product of its (nonzero) digits is 5734400, while the sum is 53.

The spelling of 42878540200805 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred forty million, two hundred thousand, eight hundred five".