40357805 has 8 divisors (see below), whose sum is σ = 50978400. Its totient is φ = 30586896.

The previous prime is 40357799. The next prime is 40357853. The reversal of 40357805 is 50875304.

It is a happy number.

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 40357805 - 2⁴ = 40357789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212315 + ... + 212504.

It is an arithmetic number, because the mean of its divisors is an integer number (6372300).

Almost surely, 2^40357805 is an apocalyptic number.

It is an amenable number.

40357805 is a deficient number, since it is larger than the sum of its proper divisors (10620595).

40357805 is a wasteful number, since it uses less digits than its factorization.

40357805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424843.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 40357805 is about 6352.7793130251. The cubic root of 40357805 is about 343.0118937247.

The spelling of 40357805 in words is "forty million, three hundred fifty-seven thousand, eight hundred five".