40678430 has 64 divisors (see below), whose sum is σ = 85155840. Its totient is φ = 13862016.

The previous prime is 40678427. The next prime is 40678441. The reversal of 40678430 is 3487604.

It is a happy number.

40678430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 31 ways as a sum of consecutive naturals, for example, 106019 + ... + 106401.

It is an arithmetic number, because the mean of its divisors is an integer number (1330560).

Almost surely, 2^40678430 is an apocalyptic number.

40678430 is an abundant number, since it is smaller than the sum of its proper divisors (44477410).

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

40678430 is a wasteful number, since it uses less digits than its factorization.

40678430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 40678430 is about 6377.9644088063. The cubic root of 40678430 is about 343.9178582944.

The spelling of 40678430 in words is "forty million, six hundred seventy-eight thousand, four hundred thirty".