4491791740 has 24 divisors (see below), whose sum is σ = 9471912912. Its totient is φ = 1789259520.

The previous prime is 4491791713. The next prime is 4491791747. The reversal of 4491791740 is 471971944.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4491791747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461134 + ... + 470773.

It is an arithmetic number, because the mean of its divisors is an integer number (394663038).

Almost surely, 2^4491791740 is an apocalyptic number.

It is an amenable number.

4491791740 is an abundant number, since it is smaller than the sum of its proper divisors (4980121172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4491791740 is a wasteful number, since it uses less digits than its factorization.

4491791740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932157 (or 932155 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 4491791740 is about 67020.8306424204. The cubic root of 4491791740 is about 1649.9591958076.

The spelling of 4491791740 in words is "four billion, four hundred ninety-one million, seven hundred ninety-one thousand, seven hundred forty".