40338769 has 8 divisors (see below), whose sum is σ = 41633408. Its totient is φ = 39054960.

The previous prime is 40338763. The next prime is 40338827. The reversal of 40338769 is 96783304.

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 40338769 - 2¹¹ = 40336721 is a prime.

It is a super-2 number, since 2×40338769² = 3254432568870722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40338763) 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, 5224 + ... + 10390.

It is an arithmetic number, because the mean of its divisors is an integer number (5204176).

Almost surely, 2^40338769 is an apocalyptic number.

It is an amenable number.

40338769 is a deficient number, since it is larger than the sum of its proper divisors (1294639).

40338769 is a wasteful number, since it uses less digits than its factorization.

40338769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5415.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 40338769 is about 6351.2808944338. The cubic root of 40338769 is about 342.9579545399.

The spelling of 40338769 in words is "forty million, three hundred thirty-eight thousand, seven hundred sixty-nine".