40395157 has 8 divisors (see below), whose sum is σ = 45258912. Its totient is φ = 35730000.

The previous prime is 40395151. The next prime is 40395181. The reversal of 40395157 is 75159304.

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

It is a cyclic number.

It is not a de Polignac number, because 40395157 - 2¹¹ = 40393109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40395151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49219 + ... + 50032.

It is an arithmetic number, because the mean of its divisors is an integer number (5657364).

Almost surely, 2^40395157 is an apocalyptic number.

It is an amenable number.

40395157 is a deficient number, since it is larger than the sum of its proper divisors (4863755).

40395157 is a wasteful number, since it uses less digits than its factorization.

40395157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99299.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 40395157 is about 6355.7184487672. The cubic root of 40395157 is about 343.1176826762.

The spelling of 40395157 in words is "forty million, three hundred ninety-five thousand, one hundred fifty-seven".