9950040 has 160 divisors (see below), whose sum is σ = 34760880. Its totient is φ = 2550528.

The previous prime is 9950029. The next prime is 9950047. The reversal of 9950040 is 400599.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 9949986 and 9950013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9950047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 119839 + ... + 119921.

Almost surely, 2^9950040 is an apocalyptic number.

9950040 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 9950040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17380440).

9950040 is an abundant number, since it is smaller than the sum of its proper divisors (24810840).

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

9950040 is a wasteful number, since it uses less digits than its factorization.

9950040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 9950040 is about 3154.3683995374. The cubic root of 9950040 is about 215.0840846519.

The spelling of 9950040 in words is "nine million, nine hundred fifty thousand, forty".