42002198 has 32 divisors (see below), whose sum is σ = 76204800. Its totient is φ = 16961184.

The previous prime is 42002197. The next prime is 42002201. The reversal of 42002198 is 89120024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42002197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71261 + ... + 71847.

It is an arithmetic number, because the mean of its divisors is an integer number (2381400).

Almost surely, 2^42002198 is an apocalyptic number.

42002198 is a deficient number, since it is larger than the sum of its proper divisors (34202602).

42002198 is a wasteful number, since it uses less digits than its factorization.

42002198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 42002198 is about 6480.9102755709. The cubic root of 42002198 is about 347.6087281182.

The spelling of 42002198 in words is "forty-two million, two thousand, one hundred ninety-eight".