40849331 has 4 divisors (see below), whose sum is σ = 41029512. Its totient is φ = 40669152.

The previous prime is 40849307. The next prime is 40849343. The reversal of 40849331 is 13394804.

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

It is a cyclic number.

It is not a de Polignac number, because 40849331 - 2¹⁰ = 40848307 is a prime.

It is a super-2 number, since 2×40849331² = 3337335686295122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40849381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89750 + ... + 90203.

It is an arithmetic number, because the mean of its divisors is an integer number (10257378).

Almost surely, 2^40849331 is an apocalyptic number.

40849331 is a deficient number, since it is larger than the sum of its proper divisors (180181).

40849331 is a wasteful number, since it uses less digits than its factorization.

40849331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180180.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 40849331 is about 6391.3481363481. The cubic root of 40849331 is about 344.3988157811.

The spelling of 40849331 in words is "forty million, eight hundred forty-nine thousand, three hundred thirty-one".