4550590590 has 128 divisors (see below), whose sum is σ = 13475911680. Its totient is φ = 957685248.

The previous prime is 4550590589. The next prime is 4550590601. The reversal of 4550590590 is 950950554.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1196572 + ... + 1200368.

It is an arithmetic number, because the mean of its divisors is an integer number (105280560).

Almost surely, 2^4550590590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4550590590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6737955840).

4550590590 is an abundant number, since it is smaller than the sum of its proper divisors (8925321090).

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

4550590590 is a wasteful number, since it uses less digits than its factorization.

4550590590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4266.

The product of its (nonzero) digits is 202500, while the sum is 42.

The square root of 4550590590 is about 67458.0654184509. The cubic root of 4550590590 is about 1657.1274885225.

The spelling of 4550590590 in words is "four billion, five hundred fifty million, five hundred ninety thousand, five hundred ninety".