40957306 has 8 divisors (see below), whose sum is σ = 66161844. Its totient is φ = 18903360.

The previous prime is 40957303. The next prime is 40957321. The reversal of 40957306 is 60375904.

It can be written as a sum of positive squares in 2 ways, for example, as 39576681 + 1380625 = 6291^2 + 1175^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40957303) 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, 787615 + ... + 787666.

Almost surely, 2^40957306 is an apocalyptic number.

40957306 is a deficient number, since it is larger than the sum of its proper divisors (25204538).

40957306 is a wasteful number, since it uses less digits than its factorization.

40957306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575296.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 40957306 is about 6399.7895277892. The cubic root of 40957306 is about 344.7019928865.

The spelling of 40957306 in words is "forty million, nine hundred fifty-seven thousand, three hundred six".