40550430 has 32 divisors (see below), whose sum is σ = 97574400. Its totient is φ = 10785312.

The previous prime is 40550417. The next prime is 40550441. The reversal of 40550430 is 3405504.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40550397 and 40550406.

It is a congruent number.

It is an unprimeable number.

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, 11631 + ... + 14709.

It is an arithmetic number, because the mean of its divisors is an integer number (3049200).

Almost surely, 2^40550430 is an apocalyptic number.

40550430 is an abundant number, since it is smaller than the sum of its proper divisors (57023970).

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

40550430 is a wasteful number, since it uses less digits than its factorization.

40550430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 40550430 is about 6367.9219530393. The cubic root of 40550430 is about 343.5567517664.

Adding to 40550430 its reverse (3405504), we get a palindrome (43955934).

The spelling of 40550430 in words is "forty million, five hundred fifty thousand, four hundred thirty".