40538204 has 24 divisors (see below), whose sum is σ = 83693568. Its totient is φ = 16812720.

The previous prime is 40538203. The next prime is 40538209. The reversal of 40538204 is 40283504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40538203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22484 + ... + 24219.

It is an arithmetic number, because the mean of its divisors is an integer number (3487232).

Almost surely, 2^40538204 is an apocalyptic number.

It is an amenable number.

40538204 is an abundant number, since it is smaller than the sum of its proper divisors (43155364).

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

40538204 is a wasteful number, since it uses less digits than its factorization.

40538204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46745 (or 46743 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 40538204 is about 6366.9619128749. The cubic root of 40538204 is about 343.5222207141.

The spelling of 40538204 in words is "forty million, five hundred thirty-eight thousand, two hundred four".