40250424 has 64 divisors (see below), whose sum is σ = 108864000. Its totient is φ = 12353024.

The previous prime is 40250411. The next prime is 40250429. The reversal of 40250424 is 42405204.

It is a self number, because there is not a number n which added to its sum of digits gives 40250424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40250429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18127 + ... + 20225.

It is an arithmetic number, because the mean of its divisors is an integer number (1701000).

Almost surely, 2^40250424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40250424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54432000).

40250424 is an abundant number, since it is smaller than the sum of its proper divisors (68613576).

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

40250424 is a wasteful number, since it uses less digits than its factorization.

40250424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172 (or 2168 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 40250424 is about 6344.3221860180. The cubic root of 40250424 is about 342.7074034616.

Adding to 40250424 its reverse (42405204), we get a palindrome (82655628).

The spelling of 40250424 in words is "forty million, two hundred fifty thousand, four hundred twenty-four".