40434512 has 10 divisors (see below), whose sum is σ = 78341898. Its totient is φ = 20217248.

The previous prime is 40434503. The next prime is 40434533. The reversal of 40434512 is 21543404.

40434512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 36529936 + 3904576 = 6044^2 + 1976^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1263563 + ... + 1263594.

Almost surely, 2^40434512 is an apocalyptic number.

It is an amenable number.

40434512 is a deficient number, since it is larger than the sum of its proper divisors (37907386).

40434512 is a wasteful number, since it uses less digits than its factorization.

40434512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527165 (or 2527159 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 40434512 is about 6358.8137258454. The cubic root of 40434512 is about 343.2290740290.

Adding to 40434512 its reverse (21543404), we get a palindrome (61977916).

The spelling of 40434512 in words is "forty million, four hundred thirty-four thousand, five hundred twelve".