40338085 has 16 divisors (see below), whose sum is σ = 49762944. Its totient is φ = 31372992.

The previous prime is 40338047. The next prime is 40338091. The reversal of 40338085 is 58083304.

It is a cyclic number.

It is not a de Polignac number, because 40338085 - 2⁹ = 40337573 is a prime.

It is a super-2 number, since 2×40338085² = 3254322202934450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79944 + ... + 80446.

It is an arithmetic number, because the mean of its divisors is an integer number (3110184).

Almost surely, 2^40338085 is an apocalyptic number.

It is an amenable number.

40338085 is a deficient number, since it is larger than the sum of its proper divisors (9424859).

40338085 is a wasteful number, since it uses less digits than its factorization.

40338085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 40338085 is about 6351.2270467997. The cubic root of 40338085 is about 342.9560160857.

The spelling of 40338085 in words is "forty million, three hundred thirty-eight thousand, eighty-five".