2042909366178 has 16 divisors (see below), whose sum is σ = 4085838540576. Its totient is φ = 680966487360.

The previous prime is 2042909366177. The next prime is 2042909366243. The reversal of 2042909366178 is 8716639092402.

It is not an unprimeable number, because it can be changed into a prime (2042909366177) 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 7 ways as a sum of consecutive naturals, for example, 745338 + ... + 2154378.

It is an arithmetic number, because the mean of its divisors is an integer number (255364908786).

Almost surely, 2^{2042909366178} is an apocalyptic number.

2042909366178 is an abundant number, since it is smaller than the sum of its proper divisors (2042929174398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2042909366178 is a wasteful number, since it uses less digits than its factorization.

2042909366178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650689.

The product of its (nonzero) digits is 7838208, while the sum is 57.

The spelling of 2042909366178 in words is "two trillion, forty-two billion, nine hundred nine million, three hundred sixty-six thousand, one hundred seventy-eight".