9142748040 has 128 divisors (see below), whose sum is σ = 28029058560. Its totient is φ = 2384937984.

The previous prime is 9142748033. The next prime is 9142748057. The reversal of 9142748040 is 408472419.

It is a self number, because there is not a number n which added to its sum of digits gives 9142748040.

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 31 ways as a sum of consecutive naturals, for example, 2332162 + ... + 2336078.

It is an arithmetic number, because the mean of its divisors is an integer number (218977020).

Almost surely, 2^9142748040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9142748040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14014529280).

9142748040 is an abundant number, since it is smaller than the sum of its proper divisors (18886310520).

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

9142748040 is a wasteful number, since it uses less digits than its factorization.

9142748040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4351 (or 4347 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 9142748040 is about 95617.7182325535. The cubic root of 9142748040 is about 2091.0235167510.

The spelling of 9142748040 in words is "nine billion, one hundred forty-two million, seven hundred forty-eight thousand, forty".