9240478690 has 32 divisors (see below), whose sum is σ = 17679875184. Its totient is φ = 3465216000.

The previous prime is 9240478669. The next prime is 9240478691. The reversal of 9240478690 is 968740429.

It can be written as a sum of positive squares in 8 ways, for example, as 8935731841 + 304746849 = 94529^2 + 17457^2 .

It is a super-2 number, since 2×9240478690² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9240478691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62061 + ... + 149440.

Almost surely, 2^9240478690 is an apocalyptic number.

9240478690 is a deficient number, since it is larger than the sum of its proper divisors (8439396494).

9240478690 is a wasteful number, since it uses less digits than its factorization.

9240478690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211782.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 9240478690 is about 96127.4086304213. The cubic root of 9240478690 is about 2098.4477334613.

The spelling of 9240478690 in words is "nine billion, two hundred forty million, four hundred seventy-eight thousand, six hundred ninety".