5438724258 has 64 divisors (see below), whose sum is σ = 12272246784. Its totient is φ = 1591920000.

The previous prime is 5438724257. The next prime is 5438724271. The reversal of 5438724258 is 8524278345.

It is not an unprimeable number, because it can be changed into a prime (5438724257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1227435 + ... + 1231857.

It is an arithmetic number, because the mean of its divisors is an integer number (191753856).

Almost surely, 2^5438724258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5438724258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6136123392).

5438724258 is an abundant number, since it is smaller than the sum of its proper divisors (6833522526).

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

5438724258 is a wasteful number, since it uses less digits than its factorization.

5438724258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5071.

The product of its digits is 2150400, while the sum is 48.

The square root of 5438724258 is about 73747.7067982456. The cubic root of 5438724258 is about 1758.5943772257.

The spelling of 5438724258 in words is "five billion, four hundred thirty-eight million, seven hundred twenty-four thousand, two hundred fifty-eight".