9867404142 has 48 divisors (see below), whose sum is σ = 21835597680. Its totient is φ = 3219428736.

The previous prime is 9867404123. The next prime is 9867404149. The reversal of 9867404142 is 2414047689.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9867404149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227508 + ... + 267384.

It is an arithmetic number, because the mean of its divisors is an integer number (454908285).

Almost surely, 2^9867404142 is an apocalyptic number.

9867404142 is an abundant number, since it is smaller than the sum of its proper divisors (11968193538).

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

9867404142 is a wasteful number, since it uses less digits than its factorization.

9867404142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40177 (or 40174 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 9867404142 is about 99334.8083100783. The cubic root of 9867404142 is about 2144.8699860884.

The spelling of 9867404142 in words is "nine billion, eight hundred sixty-seven million, four hundred four thousand, one hundred forty-two".