40818524 has 18 divisors (see below), whose sum is σ = 73145520. Its totient is φ = 19931016.

The previous prime is 40818523. The next prime is 40818671. The reversal of 40818524 is 42581804.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40818521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4637 + ... + 10155.

It is an arithmetic number, because the mean of its divisors is an integer number (4063640).

Almost surely, 2^40818524 is an apocalyptic number.

It is an amenable number.

40818524 is a deficient number, since it is larger than the sum of its proper divisors (32326996).

40818524 is a wasteful number, since it uses less digits than its factorization.

40818524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5609 (or 5564 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 40818524 is about 6388.9376268672. The cubic root of 40818524 is about 344.3122165446.

The spelling of 40818524 in words is "forty million, eight hundred eighteen thousand, five hundred twenty-four".