4081782794 has 16 divisors (see below), whose sum is σ = 6198156288. Its totient is φ = 2015872992.

The previous prime is 4081782779. The next prime is 4081782797. The reversal of 4081782794 is 4972871804.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4081782797) 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, 22262 + ... + 93054.

It is an arithmetic number, because the mean of its divisors is an integer number (387384768).

Almost surely, 2^4081782794 is an apocalyptic number.

4081782794 is a deficient number, since it is larger than the sum of its proper divisors (2116373494).

4081782794 is a wasteful number, since it uses less digits than its factorization.

4081782794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71149.

The product of its (nonzero) digits is 903168, while the sum is 50.

The square root of 4081782794 is about 63888.8315278970. The cubic root of 4081782794 is about 1598.1466553269.

The spelling of 4081782794 in words is "four billion, eighty-one million, seven hundred eighty-two thousand, seven hundred ninety-four".