5648458590 has 128 divisors (see below), whose sum is σ = 16288542720. Its totient is φ = 1387436544.

The previous prime is 5648458561. The next prime is 5648458609. The reversal of 5648458590 is 958548465.

5648458590 is a `hidden beast` number, since 5 + 6 + 4 + 8 + 45 + 8 + 590 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 202639 + ... + 228821.

It is an arithmetic number, because the mean of its divisors is an integer number (127254240).

Almost surely, 2^5648458590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5648458590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8144271360).

5648458590 is an abundant number, since it is smaller than the sum of its proper divisors (10640084130).

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

5648458590 is a wasteful number, since it uses less digits than its factorization.

5648458590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26263 (or 26257 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 54.

The square root of 5648458590 is about 75156.2278856516. The cubic root of 5648458590 is about 1780.9155108212.

The spelling of 5648458590 in words is "five billion, six hundred forty-eight million, four hundred fifty-eight thousand, five hundred ninety".