40501605 has 8 divisors (see below), whose sum is σ = 64802592. Its totient is φ = 21600848.

The previous prime is 40501579. The next prime is 40501609. The reversal of 40501605 is 50610504.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40501605 - 2⁶ = 40501541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40501609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1350039 + ... + 1350068.

It is an arithmetic number, because the mean of its divisors is an integer number (8100324).

Almost surely, 2^40501605 is an apocalyptic number.

It is an amenable number.

40501605 is a deficient number, since it is larger than the sum of its proper divisors (24300987).

40501605 is a wasteful number, since it uses less digits than its factorization.

40501605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700115.

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

The square root of 40501605 is about 6364.0871301389. The cubic root of 40501605 is about 343.4188091662.

The spelling of 40501605 in words is "forty million, five hundred one thousand, six hundred five".