4065497790 has 32 divisors (see below), whose sum is σ = 10071945216. Its totient is φ = 1049160480.

The previous prime is 4065497747. The next prime is 4065497867. The reversal of 4065497790 is 977945604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2184822 + ... + 2186681.

It is an arithmetic number, because the mean of its divisors is an integer number (314748288).

Almost surely, 2^4065497790 is an apocalyptic number.

4065497790 is an abundant number, since it is smaller than the sum of its proper divisors (6006447426).

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

4065497790 is a wasteful number, since it uses less digits than its factorization.

4065497790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4371544.

The product of its (nonzero) digits is 1905120, while the sum is 51.

The square root of 4065497790 is about 63761.2561827322. The cubic root of 4065497790 is about 1596.0184583703.

The spelling of 4065497790 in words is "four billion, sixty-five million, four hundred ninety-seven thousand, seven hundred ninety".