42289478900 has 36 divisors (see below), whose sum is σ = 91780896480. Its totient is φ = 16913445600.

The previous prime is 42289478863. The next prime is 42289478929. The reversal of 42289478900 is 987498224.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 816785 + ... + 867015.

Almost surely, 2^42289478900 is an apocalyptic number.

It is an amenable number.

42289478900 is an abundant number, since it is smaller than the sum of its proper divisors (49491417580).

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

42289478900 is a wasteful number, since it uses less digits than its factorization.

42289478900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58664 (or 58657 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 42289478900 in words is "forty-two billion, two hundred eighty-nine million, four hundred seventy-eight thousand, nine hundred".