40491334 has 8 divisors (see below), whose sum is σ = 65409120. Its totient is φ = 18688296.

The previous prime is 40491317. The next prime is 40491343. The reversal of 40491334 is 43319404.

40491334 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 a super-3 number, since 3×40491334³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 778654 + ... + 778705.

It is an arithmetic number, because the mean of its divisors is an integer number (8176140).

Almost surely, 2^40491334 is an apocalyptic number.

40491334 is a deficient number, since it is larger than the sum of its proper divisors (24917786).

40491334 is a wasteful number, since it uses less digits than its factorization.

40491334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557374.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 40491334 is about 6363.2801289901. The cubic root of 40491334 is about 343.3897769604.

The spelling of 40491334 in words is "forty million, four hundred ninety-one thousand, three hundred thirty-four".