40106669 has 8 divisors (see below), whose sum is σ = 40912608. Its totient is φ = 39306960.

The previous prime is 40106629. The next prime is 40106683. The reversal of 40106669 is 96660104.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40106669 is a prime.

It is a super-2 number, since 2×40106669² = 3217089796551122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40106609) 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, 12719 + ... + 15555.

It is an arithmetic number, because the mean of its divisors is an integer number (5114076).

Almost surely, 2^40106669 is an apocalyptic number.

It is an amenable number.

40106669 is a deficient number, since it is larger than the sum of its proper divisors (805939).

40106669 is a wasteful number, since it uses less digits than its factorization.

40106669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 40106669 is about 6332.9826306410. The cubic root of 40106669 is about 342.2989218785.

The spelling of 40106669 in words is "forty million, one hundred six thousand, six hundred sixty-nine".