5718493440 has 216 divisors, whose sum is σ = 21584541888. Its totient is φ = 1386270720.

The previous prime is 5718493433. The next prime is 5718493453. The reversal of 5718493440 is 443948175.

5718493440 is a `hidden beast` number, since 571 + 8 + 4 + 9 + 34 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104157 + ... + 149283.

Almost surely, 2^5718493440 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 5718493440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10792270944).

5718493440 is an abundant number, since it is smaller than the sum of its proper divisors (15866048448).

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

5718493440 is a wasteful number, since it uses less digits than its factorization.

5718493440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45165 (or 45148 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 5718493440 is about 75620.7209698506. The cubic root of 5718493440 is about 1788.2457809661.

The spelling of 5718493440 in words is "five billion, seven hundred eighteen million, four hundred ninety-three thousand, four hundred forty".