40501506 has 8 divisors (see below), whose sum is σ = 81003024. Its totient is φ = 13500500.

The previous prime is 40501441. The next prime is 40501507. The reversal of 40501506 is 60510504.

It is a happy number.

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

40501506 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (40501507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3375120 + ... + 3375131.

It is an arithmetic number, because the mean of its divisors is an integer number (10125378).

Almost surely, 2^40501506 is an apocalyptic number.

40501506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40501506 is a wasteful number, since it uses less digits than its factorization.

40501506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6750256.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 40501506 is about 6364.0793521137. The cubic root of 40501506 is about 343.4185293543.

The spelling of 40501506 in words is "forty million, five hundred one thousand, five hundred six".