40667256 has 72 divisors (see below), whose sum is σ = 128133720. Its totient is φ = 11618208.

The previous prime is 40667233. The next prime is 40667269. The reversal of 40667256 is 65276604.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-3 number, since 3×40667256³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40667256.

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 in 17 ways as a sum of consecutive naturals, for example, 2236 + ... + 9291.

It is an arithmetic number, because the mean of its divisors is an integer number (1779635).

Almost surely, 2^40667256 is an apocalyptic number.

It is an amenable number.

40667256 is an abundant number, since it is smaller than the sum of its proper divisors (87466464).

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

40667256 is a wasteful number, since it uses less digits than its factorization.

40667256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11553 (or 11539 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 40667256 is about 6377.0883638225. The cubic root of 40667256 is about 343.8863650266.

The spelling of 40667256 in words is "forty million, six hundred sixty-seven thousand, two hundred fifty-six".