40782194 has 16 divisors (see below), whose sum is σ = 62208000. Its totient is φ = 20049264.

The previous prime is 40782191. The next prime is 40782199. The reversal of 40782194 is 49128704.

40782194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40782191) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 31247 + ... + 32525.

It is an arithmetic number, because the mean of its divisors is an integer number (3888000).

Almost surely, 2^40782194 is an apocalyptic number.

40782194 is a deficient number, since it is larger than the sum of its proper divisors (21425806).

40782194 is a wasteful number, since it uses less digits than its factorization.

40782194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 40782194 is about 6386.0937982463. The cubic root of 40782194 is about 344.2100360102.

The spelling of 40782194 in words is "forty million, seven hundred eighty-two thousand, one hundred ninety-four".