40940331 has 8 divisors (see below), whose sum is σ = 55245120. Its totient is φ = 26964552.

The previous prime is 40940321. The next prime is 40940353. The reversal of 40940331 is 13304904.

40940331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40940331 - 2¹⁹ = 40416043 is a prime.

It is a super-2 number, since 2×40940331² = 3352221404779122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40940321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81961 + ... + 82458.

It is an arithmetic number, because the mean of its divisors is an integer number (6905640).

Almost surely, 2^40940331 is an apocalyptic number.

40940331 is a deficient number, since it is larger than the sum of its proper divisors (14304789).

40940331 is a wasteful number, since it uses less digits than its factorization.

40940331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164505.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 40940331 is about 6398.4631748569. The cubic root of 40940331 is about 344.6543650397.

The spelling of 40940331 in words is "forty million, nine hundred forty thousand, three hundred thirty-one".