9142494720 has 80 divisors (see below), whose sum is σ = 29227437360. Its totient is φ = 2437996544.

The previous prime is 9142494703. The next prime is 9142494769. The reversal of 9142494720 is 274942419.

It is a tau number, because it is divible by the number of its divisors (80).

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 7 ways as a sum of consecutive naturals, for example, 587535 + ... + 602894.

It is an arithmetic number, because the mean of its divisors is an integer number (365342967).

Almost surely, 2^9142494720 is an apocalyptic number.

It is an amenable number.

9142494720 is an abundant number, since it is smaller than the sum of its proper divisors (20084942640).

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

9142494720 is a wasteful number, since it uses less digits than its factorization.

9142494720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190455 (or 1190439 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 9142494720 is about 95616.3935734872. The cubic root of 9142494720 is about 2091.0042044331.

The spelling of 9142494720 in words is "nine billion, one hundred forty-two million, four hundred ninety-four thousand, seven hundred twenty".