40033430 has 32 divisors (see below), whose sum is σ = 74330784. Its totient is φ = 15515136.

The previous prime is 40033429. The next prime is 40033439. The reversal of 40033430 is 3433004.

40033430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40033399 and 40033408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40033439) 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 15 ways as a sum of consecutive naturals, for example, 67214 + ... + 67806.

It is an arithmetic number, because the mean of its divisors is an integer number (2322837).

Almost surely, 2^40033430 is an apocalyptic number.

40033430 is a deficient number, since it is larger than the sum of its proper divisors (34297354).

40033430 is a wasteful number, since it uses less digits than its factorization.

40033430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 40033430 is about 6327.1976419265. The cubic root of 40033430 is about 342.0904369657.

Adding to 40033430 its reverse (3433004), we get a palindrome (43466434).

The spelling of 40033430 in words is "forty million, thirty-three thousand, four hundred thirty".