40567868 has 24 divisors (see below), whose sum is σ = 80120880. Its totient is φ = 17803520.

The previous prime is 40567861. The next prime is 40567931. The reversal of 40567868 is 86876504.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40567861) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 14621 + ... + 17172.

It is an arithmetic number, because the mean of its divisors is an integer number (3338370).

Almost surely, 2^40567868 is an apocalyptic number.

It is an amenable number.

40567868 is a deficient number, since it is larger than the sum of its proper divisors (39553012).

40567868 is a wasteful number, since it uses less digits than its factorization.

40567868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31837 (or 31835 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 40567868 is about 6369.2910123498. The cubic root of 40567868 is about 343.6059915572.

The spelling of 40567868 in words is "forty million, five hundred sixty-seven thousand, eight hundred sixty-eight".