42404055522155 has 16 divisors (see below), whose sum is σ = 50926400801280. Its totient is φ = 33895556923488.

The previous prime is 42404055522131. The next prime is 42404055522167. The reversal of 42404055522155 is 55122555040424.

It is a cyclic number.

It is not a de Polignac number, because 42404055522155 - 2¹⁶ = 42404055456619 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199932956 + ... + 200144934.

It is an arithmetic number, because the mean of its divisors is an integer number (3182900050080).

Almost surely, 2^{42404055522155} is an apocalyptic number.

42404055522155 is a deficient number, since it is larger than the sum of its proper divisors (8522345279125).

42404055522155 is a wasteful number, since it uses less digits than its factorization.

42404055522155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244450.

The product of its (nonzero) digits is 1600000, while the sum is 44.

The spelling of 42404055522155 in words is "forty-two trillion, four hundred four billion, fifty-five million, five hundred twenty-two thousand, one hundred fifty-five".