9489040438 has 8 divisors (see below), whose sum is σ = 14233974840. Its totient is φ = 4744382160.

The previous prime is 9489040427. The next prime is 9489040459. The reversal of 9489040438 is 8340409849.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×9489040438³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9489040391 and 9489040400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92193 + ... + 165763.

It is an arithmetic number, because the mean of its divisors is an integer number (1779246855).

Almost surely, 2^9489040438 is an apocalyptic number.

9489040438 is a deficient number, since it is larger than the sum of its proper divisors (4744934402).

9489040438 is a wasteful number, since it uses less digits than its factorization.

9489040438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138062.

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 9489040438 is about 97411.7058571505. The cubic root of 9489040438 is about 2117.0970441566.

The spelling of 9489040438 in words is "nine billion, four hundred eighty-nine million, forty thousand, four hundred thirty-eight".