40338067 has 16 divisors (see below), whose sum is σ = 52480512. Its totient is φ = 30064320.

The previous prime is 40338047. The next prime is 40338091. The reversal of 40338067 is 76083304.

It is a de Polignac number, because none of the positive numbers 2^k-40338067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40338017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9618 + ... + 13159.

It is an arithmetic number, because the mean of its divisors is an integer number (3280032).

Almost surely, 2^40338067 is an apocalyptic number.

40338067 is a deficient number, since it is larger than the sum of its proper divisors (12142445).

40338067 is a wasteful number, since it uses less digits than its factorization.

40338067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22818.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 40338067 is about 6351.2256297505. The cubic root of 40338067 is about 342.9559650734.

It can be divided in two parts, 4033 and 8067, that multiplied together give a triangular number (32534211 = T₈₀₆₆).

The spelling of 40338067 in words is "forty million, three hundred thirty-eight thousand, sixty-seven".