40838205 has 8 divisors (see below), whose sum is σ = 65341152. Its totient is φ = 21780368.

The previous prime is 40838123. The next prime is 40838227. The reversal of 40838205 is 50283804.

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 40838205 - 2¹¹ = 40836157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1361259 + ... + 1361288.

It is an arithmetic number, because the mean of its divisors is an integer number (8167644).

Almost surely, 2^40838205 is an apocalyptic number.

It is an amenable number.

40838205 is a deficient number, since it is larger than the sum of its proper divisors (24502947).

40838205 is a wasteful number, since it uses less digits than its factorization.

40838205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722555.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 40838205 is about 6390.4776816761. The cubic root of 40838205 is about 344.3675453452.

The spelling of 40838205 in words is "forty million, eight hundred thirty-eight thousand, two hundred five".