9400923940 has 48 divisors (see below), whose sum is σ = 20135662848. Its totient is φ = 3686010624.

The previous prime is 9400923937. The next prime is 9400923947. The reversal of 9400923940 is 493290049.

It is a junction number, because it is equal to n+sod(n) for n = 9400923893 and 9400923902.

It is not an unprimeable number, because it can be changed into a prime (9400923947) 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, 218229 + ... + 257731.

It is an arithmetic number, because the mean of its divisors is an integer number (419492976).

Almost surely, 2^9400923940 is an apocalyptic number.

It is an amenable number.

9400923940 is an abundant number, since it is smaller than the sum of its proper divisors (10734738908).

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

9400923940 is a wasteful number, since it uses less digits than its factorization.

9400923940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39748 (or 39746 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 9400923940 is about 96958.3618879775. The cubic root of 9400923940 is about 2110.5234387900.

The spelling of 9400923940 in words is "nine billion, four hundred million, nine hundred twenty-three thousand, nine hundred forty".