40004782 has 8 divisors (see below), whose sum is σ = 60038352. Its totient is φ = 19992000.

The previous prime is 40004777. The next prime is 40004813. The reversal of 40004782 is 28740004.

40004782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1182 + ... + 9022.

It is an arithmetic number, because the mean of its divisors is an integer number (7504794).

Almost surely, 2^40004782 is an apocalyptic number.

40004782 is a deficient number, since it is larger than the sum of its proper divisors (20033570).

40004782 is a wasteful number, since it uses less digits than its factorization.

40004782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10394.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 40004782 is about 6324.9333593327. The cubic root of 40004782 is about 342.0088173006.

Adding to 40004782 its reverse (28740004), we get a palindrome (68744786).

The spelling of 40004782 in words is "forty million, four thousand, seven hundred eighty-two".