442121098 has 16 divisors (see below), whose sum is σ = 682377696. Its totient is φ = 214719120.

The previous prime is 442121083. The next prime is 442121143. The reversal of 442121098 is 890121244.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1365 + ... + 29767.

It is an arithmetic number, because the mean of its divisors is an integer number (42648606).

Almost surely, 2^442121098 is an apocalyptic number.

442121098 is a deficient number, since it is larger than the sum of its proper divisors (240256598).

442121098 is a wasteful number, since it uses less digits than its factorization.

442121098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28629.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 442121098 is about 21026.6758666224. The cubic root of 442121098 is about 761.8107205717.

The spelling of 442121098 in words is "four hundred forty-two million, one hundred twenty-one thousand, ninety-eight".