42016420998 has 12 divisors (see below), whose sum is σ = 91035578868. Its totient is φ = 14005473660.

The previous prime is 42016420997. The next prime is 42016421059. The reversal of 42016420998 is 89902461024.

42016420998 is a `hidden beast` number, since 420 + 16 + 4 + 209 + 9 + 8 = 666.

42016420998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42016420993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1167122788 + ... + 1167122823.

It is an arithmetic number, because the mean of its divisors is an integer number (7586298239).

Almost surely, 2^42016420998 is an apocalyptic number.

42016420998 is an abundant number, since it is smaller than the sum of its proper divisors (49019157870).

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

42016420998 is a wasteful number, since it uses less digits than its factorization.

42016420998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334245619 (or 2334245616 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 42016420998 in words is "forty-two billion, sixteen million, four hundred twenty thousand, nine hundred ninety-eight".