40538334 has 16 divisors (see below), whose sum is σ = 81179280. Its totient is φ = 13495680.

The previous prime is 40538321. The next prime is 40538363. The reversal of 40538334 is 43383504.

40538334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 1452 + ... + 9120.

It is an arithmetic number, because the mean of its divisors is an integer number (5073705).

Almost surely, 2^40538334 is an apocalyptic number.

40538334 is an abundant number, since it is smaller than the sum of its proper divisors (40640946).

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

40538334 is a wasteful number, since it uses less digits than its factorization.

40538334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8555.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 40538334 is about 6366.9721218174. The cubic root of 40538334 is about 343.5225879220.

The spelling of 40538334 in words is "forty million, five hundred thirty-eight thousand, three hundred thirty-four".