40041306 has 12 divisors (see below), whose sum is σ = 86756202. Its totient is φ = 13347096.

The previous prime is 40041301. The next prime is 40041311. The reversal of 40041306 is 60314004.

It is an interprime number because it is at equal distance from previous prime (40041301) and next prime (40041311).

It can be written as a sum of positive squares in only one way, i.e., 22325625 + 17715681 = 4725^2 + 4209^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2224517 = 40041306 / (4 + 0 + 0 + 4 + 1 + 3 + 0 + 6).

It is not an unprimeable number, because it can be changed into a prime (40041301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1112241 + ... + 1112276.

Almost surely, 2^40041306 is an apocalyptic number.

40041306 is an abundant number, since it is smaller than the sum of its proper divisors (46714896).

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

40041306 is a wasteful number, since it uses less digits than its factorization.

40041306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224525 (or 2224522 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 40041306 is about 6327.8200037612. The cubic root of 40041306 is about 342.1128692813.

The spelling of 40041306 in words is "forty million, forty-one thousand, three hundred six".