9431818940 has 12 divisors (see below), whose sum is σ = 19806819816. Its totient is φ = 3772727568.

The previous prime is 9431818933. The next prime is 9431819009. The reversal of 9431818940 is 498181349.

It is a super-3 number, since 3×9431818940³ (a number of 31 digits) contains 333 as substring.

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, 235795454 + ... + 235795493.

It is an arithmetic number, because the mean of its divisors is an integer number (1650568318).

Almost surely, 2^9431818940 is an apocalyptic number.

It is an amenable number.

9431818940 is an abundant number, since it is smaller than the sum of its proper divisors (10375000876).

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

9431818940 is a wasteful number, since it uses less digits than its factorization.

9431818940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471590956 (or 471590954 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 9431818940 is about 97117.5521726119. The cubic root of 9431818940 is about 2112.8329040848.

The spelling of 9431818940 in words is "nine billion, four hundred thirty-one million, eight hundred eighteen thousand, nine hundred forty".