40622309 has 8 divisors (see below), whose sum is σ = 49996800. Its totient is φ = 32140656.

The previous prime is 40622291. The next prime is 40622321. The reversal of 40622309 is 90322604.

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-40622309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40625309) 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, 223109 + ... + 223290.

It is an arithmetic number, because the mean of its divisors is an integer number (6249600).

Almost surely, 2^40622309 is an apocalyptic number.

It is an amenable number.

40622309 is a deficient number, since it is larger than the sum of its proper divisors (9374491).

40622309 is a wasteful number, since it uses less digits than its factorization.

40622309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446419.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 40622309 is about 6373.5632890872. The cubic root of 40622309 is about 343.7596262208.

The spelling of 40622309 in words is "forty million, six hundred twenty-two thousand, three hundred nine".