40074536 has 8 divisors (see below), whose sum is σ = 75139770. Its totient is φ = 20037264.

The previous prime is 40074523. The next prime is 40074539. The reversal of 40074536 is 63547004.

40074536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 39062500 + 1012036 = 6250^2 + 1006^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 40074499 and 40074508.

It is not an unprimeable number, because it can be changed into a prime (40074539) by changing a digit.

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 as a sum of consecutive naturals, namely, 2504651 + ... + 2504666.

Almost surely, 2^40074536 is an apocalyptic number.

It is an amenable number.

40074536 is a deficient number, since it is larger than the sum of its proper divisors (35065234).

40074536 is a wasteful number, since it uses less digits than its factorization.

40074536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5009323 (or 5009319 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 40074536 is about 6330.4451660211. The cubic root of 40074536 is about 342.2074821397.

The spelling of 40074536 in words is "forty million, seventy-four thousand, five hundred thirty-six".