40536724 has 6 divisors (see below), whose sum is σ = 70939274. Its totient is φ = 20268360.

The previous prime is 40536697. The next prime is 40536731. The reversal of 40536724 is 42763504.

It can be written as a sum of positive squares in only one way, i.e., 35784324 + 4752400 = 5982^2 + 2180^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5067087 + ... + 5067094.

Almost surely, 2^40536724 is an apocalyptic number.

It is an amenable number.

40536724 is a deficient number, since it is larger than the sum of its proper divisors (30402550).

40536724 is a wasteful number, since it uses less digits than its factorization.

40536724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10134185 (or 10134183 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 40536724 is about 6366.8456868374. The cubic root of 40536724 is about 343.5180401386.

The spelling of 40536724 in words is "forty million, five hundred thirty-six thousand, seven hundred twenty-four".