40355042 has 32 divisors (see below), whose sum is σ = 78890112. Its totient is φ = 15024384.

The previous prime is 40355039. The next prime is 40355071. The reversal of 40355042 is 24055304.

40355042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40354999 and 40355017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3428 + ... + 9615.

It is an arithmetic number, because the mean of its divisors is an integer number (2465316).

Almost surely, 2^40355042 is an apocalyptic number.

40355042 is a deficient number, since it is larger than the sum of its proper divisors (38535070).

40355042 is a wasteful number, since it uses less digits than its factorization.

40355042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13082.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 40355042 is about 6352.5618454290. The cubic root of 40355042 is about 343.0040657181.

The spelling of 40355042 in words is "forty million, three hundred fifty-five thousand, forty-two".