42878516331442 has 64 divisors (see below), whose sum is σ = 70854984990720. Its totient is φ = 19299163464000.

The previous prime is 42878516331419. The next prime is 42878516331461. The reversal of 42878516331442 is 24413361587824.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3485768692 + ... + 3485780992.

It is an arithmetic number, because the mean of its divisors is an integer number (1107109140480).

Almost surely, 2^{42878516331442} is an apocalyptic number.

42878516331442 is a deficient number, since it is larger than the sum of its proper divisors (27976468659278).

42878516331442 is a wasteful number, since it uses less digits than its factorization.

42878516331442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14767.

The product of its digits is 30965760, while the sum is 58.

The spelling of 42878516331442 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred sixteen million, three hundred thirty-one thousand, four hundred forty-two".