40885393 has 4 divisors (see below), whose sum is σ = 40901428. Its totient is φ = 40869360.

The previous prime is 40885381. The next prime is 40885399. The reversal of 40885393 is 39358804.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6110784 + 34774609 = 2472^2 + 5897^2 .

It is a cyclic number.

It is not a de Polignac number, because 40885393 - 2²¹ = 38788241 is a prime.

It is a super-3 number, since 3×40885393³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40885399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3246 + ... + 9607.

It is an arithmetic number, because the mean of its divisors is an integer number (10225357).

Almost surely, 2^40885393 is an apocalyptic number.

It is an amenable number.

40885393 is a deficient number, since it is larger than the sum of its proper divisors (16035).

40885393 is a wasteful number, since it uses less digits than its factorization.

40885393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16034.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 40885393 is about 6394.1686715319. The cubic root of 40885393 is about 344.5001316562.

The spelling of 40885393 in words is "forty million, eight hundred eighty-five thousand, three hundred ninety-three".