40106641 has 8 divisors (see below), whose sum is σ = 42382080. Its totient is φ = 37875552.

The previous prime is 40106629. The next prime is 40106683. The reversal of 40106641 is 14660104.

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 40106641 - 2⁵ = 40106609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40106041) 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, 9220 + ... + 12853.

It is an arithmetic number, because the mean of its divisors is an integer number (5297760).

Almost surely, 2^40106641 is an apocalyptic number.

It is an amenable number.

40106641 is a deficient number, since it is larger than the sum of its proper divisors (2275439).

40106641 is a wasteful number, since it uses less digits than its factorization.

40106641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22175.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 40106641 is about 6332.9804199918. The cubic root of 40106641 is about 342.2988422212.

Adding to 40106641 its reverse (14660104), we get a palindrome (54766745).

The spelling of 40106641 in words is "forty million, one hundred six thousand, six hundred forty-one".