40567894 has 4 divisors (see below), whose sum is σ = 60851844. Its totient is φ = 20283946.

The previous prime is 40567861. The next prime is 40567931. The reversal of 40567894 is 49876504.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40567894.

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 as a sum of consecutive naturals, namely, 10141972 + ... + 10141975.

It is an arithmetic number, because the mean of its divisors is an integer number (15212961).

Almost surely, 2^40567894 is an apocalyptic number.

40567894 is a deficient number, since it is larger than the sum of its proper divisors (20283950).

40567894 is a wasteful number, since it uses less digits than its factorization.

40567894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20283949.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 40567894 is about 6369.2930533930. The cubic root of 40567894 is about 343.6060649631.

The spelling of 40567894 in words is "forty million, five hundred sixty-seven thousand, eight hundred ninety-four".