40453538 has 8 divisors (see below), whose sum is σ = 60953088. Its totient is φ = 20135844.

The previous prime is 40453531. The next prime is 40453541. The reversal of 40453538 is 83535404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40453531) 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 3 ways as a sum of consecutive naturals, for example, 44906 + ... + 45797.

It is an arithmetic number, because the mean of its divisors is an integer number (7619136).

Almost surely, 2^40453538 is an apocalyptic number.

40453538 is a deficient number, since it is larger than the sum of its proper divisors (20499550).

40453538 is a wasteful number, since it uses less digits than its factorization.

40453538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90928.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 40453538 is about 6360.3095836602. The cubic root of 40453538 is about 343.2828997672.

The spelling of 40453538 in words is "forty million, four hundred fifty-three thousand, five hundred thirty-eight".