5813449040 has 160 divisors (see below), whose sum is σ = 16371452160. Its totient is φ = 1877299200.

The previous prime is 5813449021. The next prime is 5813449049. The reversal of 5813449040 is 409443185.

It is a junction number, because it is equal to n+sod(n) for n = 5813448985 and 5813449003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5813449049) 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, 661475 + ... + 670205.

It is an arithmetic number, because the mean of its divisors is an integer number (102321576).

Almost surely, 2^5813449040 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 5813449040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8185726080).

5813449040 is an abundant number, since it is smaller than the sum of its proper divisors (10558003120).

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

5813449040 is a wasteful number, since it uses less digits than its factorization.

5813449040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8821 (or 8815 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 5813449040 is about 76245.9772053582. The cubic root of 5813449040 is about 1798.0894378226.

The spelling of 5813449040 in words is "five billion, eight hundred thirteen million, four hundred forty-nine thousand, forty".