40057338 has 32 divisors (see below), whose sum is σ = 86809536. Its totient is φ = 12273408.

The previous prime is 40057337. The next prime is 40057351. The reversal of 40057338 is 83375004.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40057337) 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, 181 + ... + 8952.

It is an arithmetic number, because the mean of its divisors is an integer number (2712798).

Almost surely, 2^40057338 is an apocalyptic number.

40057338 is an abundant number, since it is smaller than the sum of its proper divisors (46752198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40057338 is a wasteful number, since it uses less digits than its factorization.

40057338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9198.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 40057338 is about 6329.0866639666. The cubic root of 40057338 is about 342.1585223183.

The spelling of 40057338 in words is "forty million, fifty-seven thousand, three hundred thirty-eight".