4405890068 has 24 divisors (see below), whose sum is σ = 8218665000. Its totient is φ = 2059440128.

The previous prime is 4405890067. The next prime is 4405890109. The reversal of 4405890068 is 8600985044.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 144672784 + 4261217284 = 12028^2 + 65278^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405890067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207293 + ... + 227556.

It is an arithmetic number, because the mean of its divisors is an integer number (342444375).

Almost surely, 2^4405890068 is an apocalyptic number.

It is an amenable number.

4405890068 is a deficient number, since it is larger than the sum of its proper divisors (3812774932).

4405890068 is a wasteful number, since it uses less digits than its factorization.

4405890068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435019 (or 435017 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 4405890068 is about 66376.8790167179. The cubic root of 4405890068 is about 1639.3734057796.

The spelling of 4405890068 in words is "four billion, four hundred five million, eight hundred ninety thousand, sixty-eight".