9500040 has 96 divisors (see below), whose sum is σ = 33696000. Its totient is φ = 2302080.

The previous prime is 9500021. The next prime is 9500041. The reversal of 9500040 is 400059.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 9499986 and 9500022.

It is not an unprimeable number, because it can be changed into a prime (9500041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2761 + ... + 5159.

It is an arithmetic number, because the mean of its divisors is an integer number (351000).

Almost surely, 2^9500040 is an apocalyptic number.

9500040 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9500040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16848000).

9500040 is an abundant number, since it is smaller than the sum of its proper divisors (24195960).

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

9500040 is a wasteful number, since it uses less digits than its factorization.

9500040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427 (or 2420 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 9500040 is about 3082.2134903345. The cubic root of 9500040 is about 211.7914764631.

Adding to 9500040 its reverse (400059), we get a palindrome (9900099).

The spelling of 9500040 in words is "nine million, five hundred thousand, forty".