4045365594 has 72 divisors (see below), whose sum is σ = 9391615740. Its totient is φ = 1254122496.

The previous prime is 4045365593. The next prime is 4045365607. The reversal of 4045365594 is 4955635404.

4045365594 is a `hidden beast` number, since 4 + 0 + 4 + 53 + 6 + 5 + 594 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 1358291025 + 2687074569 = 36855^2 + 51837^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4045365593) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 2422992 + ... + 2424660.

Almost surely, 2^4045365594 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4045365594, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4695807870).

4045365594 is an abundant number, since it is smaller than the sum of its proper divisors (5346250146).

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

4045365594 is a wasteful number, since it uses less digits than its factorization.

4045365594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872 (or 1780 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The square root of 4045365594 is about 63603.1885521473. The cubic root of 4045365594 is about 1593.3796227961.

The spelling of 4045365594 in words is "four billion, forty-five million, three hundred sixty-five thousand, five hundred ninety-four".