40591334 has 16 divisors (see below), whose sum is σ = 73248000. Its totient is φ = 16480584.

The previous prime is 40591333. The next prime is 40591357. The reversal of 40591334 is 43319504.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40591297 and 40591306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40591333) 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 7 ways as a sum of consecutive naturals, for example, 76034 + ... + 76565.

It is an arithmetic number, because the mean of its divisors is an integer number (4578000).

Almost surely, 2^40591334 is an apocalyptic number.

40591334 is a deficient number, since it is larger than the sum of its proper divisors (32656666).

40591334 is a wasteful number, since it uses less digits than its factorization.

40591334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152627.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 40591334 is about 6371.1328662962. The cubic root of 40591334 is about 343.6722303848.

The spelling of 40591334 in words is "forty million, five hundred ninety-one thousand, three hundred thirty-four".