5771440 has 40 divisors (see below), whose sum is σ = 14128560. Its totient is φ = 2186496.

The previous prime is 5771411. The next prime is 5771461. The reversal of 5771440 is 441775.

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

It is a d-powerful number, because it can be written as 5³ + 7⁴ + 7⁸ + 1 + 4² + 4⁶ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 5771399 and 5771408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379 + ... + 3418.

It is an arithmetic number, because the mean of its divisors is an integer number (353214).

Almost surely, 2^5771440 is an apocalyptic number.

It is an amenable number.

5771440 is an abundant number, since it is smaller than the sum of its proper divisors (8357120).

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

5771440 is a wasteful number, since it uses less digits than its factorization.

5771440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3829 (or 3823 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 5771440 is about 2402.3821511158. The cubic root of 5771440 is about 179.3747856189.

The spelling of 5771440 in words is "five million, seven hundred seventy-one thousand, four hundred forty".