42289116 has 12 divisors (see below), whose sum is σ = 98674632. Its totient is φ = 14096368.

The previous prime is 42289109. The next prime is 42289129. The reversal of 42289116 is 61198224.

42289116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×42289116² = 3576738664122912, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1762035 + ... + 1762058.

It is an arithmetic number, because the mean of its divisors is an integer number (8222886).

Almost surely, 2^42289116 is an apocalyptic number.

It is an amenable number.

42289116 is an abundant number, since it is smaller than the sum of its proper divisors (56385516).

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

42289116 is a wasteful number, since it uses less digits than its factorization.

42289116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524100 (or 3524098 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 42289116 is about 6503.0082269670. The cubic root of 42289116 is about 348.3984404499.

The spelling of 42289116 in words is "forty-two million, two hundred eighty-nine thousand, one hundred sixteen".