5185631448 has 128 divisors (see below), whose sum is σ = 15576883200. Its totient is φ = 1592197632.

The previous prime is 5185631447. The next prime is 5185631471. The reversal of 5185631448 is 8441365815.

5185631448 is a `hidden beast` number, since 5 + 1 + 8 + 5 + 631 + 4 + 4 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185631441) 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, 157561 + ... + 187607.

It is an arithmetic number, because the mean of its divisors is an integer number (121694400).

Almost surely, 2^5185631448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5185631448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7788441600).

5185631448 is an abundant number, since it is smaller than the sum of its proper divisors (10391251752).

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

5185631448 is a wasteful number, since it uses less digits than its factorization.

5185631448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30126 (or 30116 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 5185631448 is about 72011.3286087682. The cubic root of 5185631448 is about 1730.8810205100.

The spelling of 5185631448 in words is "five billion, one hundred eighty-five million, six hundred thirty-one thousand, four hundred forty-eight".