40849256 has 16 divisors (see below), whose sum is σ = 87534240. Its totient is φ = 17506800.

The previous prime is 40849253. The next prime is 40849261. The reversal of 40849256 is 65294804.

It is not an unprimeable number, because it can be changed into a prime (40849253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364670 + ... + 364781.

It is an arithmetic number, because the mean of its divisors is an integer number (5470890).

Almost surely, 2^40849256 is an apocalyptic number.

It is an amenable number.

40849256 is an abundant number, since it is smaller than the sum of its proper divisors (46684984).

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

40849256 is a wasteful number, since it uses less digits than its factorization.

40849256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729464 (or 729460 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 40849256 is about 6391.3422690386. The cubic root of 40849256 is about 344.3986050071.

The spelling of 40849256 in words is "forty million, eight hundred forty-nine thousand, two hundred fifty-six".