40505074 has 16 divisors (see below), whose sum is σ = 64860480. Its totient is φ = 18915120.

The previous prime is 40505053. The next prime is 40505077. The reversal of 40505074 is 47050504.

40505074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40505074² = 3281322039490952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40505077) 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 in 7 ways as a sum of consecutive naturals, for example, 4809 + ... + 10204.

It is an arithmetic number, because the mean of its divisors is an integer number (4053780).

Almost surely, 2^40505074 is an apocalyptic number.

40505074 is a deficient number, since it is larger than the sum of its proper divisors (24355406).

40505074 is a wasteful number, since it uses less digits than its factorization.

40505074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15105.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 40505074 is about 6364.3596692833. The cubic root of 40505074 is about 343.4286135994.

Adding to 40505074 its reverse (47050504), we get a palindrome (87555578).

The spelling of 40505074 in words is "forty million, five hundred five thousand, seventy-four".