5781040 has 40 divisors (see below), whose sum is σ = 13570560. Its totient is φ = 2290176.

The previous prime is 5781029. The next prime is 5781053. The reversal of 5781040 is 401875.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 5780996 and 5781014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9876 + ... + 10444.

It is an arithmetic number, because the mean of its divisors is an integer number (339264).

Almost surely, 2^5781040 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 5781040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6785280).

5781040 is an abundant number, since it is smaller than the sum of its proper divisors (7789520).

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

5781040 is a wasteful number, since it uses less digits than its factorization.

5781040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 5781040 is about 2404.3793377918. The cubic root of 5781040 is about 179.4741856562.

It can be divided in two parts, 57 and 81040, that multiplied together give a triangular number (4619280 = T₃₀₃₉).

The spelling of 5781040 in words is "five million, seven hundred eighty-one thousand, forty".