40430867 has 4 divisors (see below), whose sum is σ = 40673136. Its totient is φ = 40188600.

The previous prime is 40430839. The next prime is 40430881. The reversal of 40430867 is 76803404.

It is a happy number.

40430867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40430867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40430807) 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 3 ways as a sum of consecutive naturals, for example, 120884 + ... + 121217.

It is an arithmetic number, because the mean of its divisors is an integer number (10168284).

Almost surely, 2^40430867 is an apocalyptic number.

40430867 is a deficient number, since it is larger than the sum of its proper divisors (242269).

40430867 is a wasteful number, since it uses less digits than its factorization.

40430867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242268.

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

The square root of 40430867 is about 6358.5271093234. The cubic root of 40430867 is about 343.2187601699.

The spelling of 40430867 in words is "forty million, four hundred thirty thousand, eight hundred sixty-seven".