5855440 has 40 divisors (see below), whose sum is σ = 13880808. Its totient is φ = 2296320.

The previous prime is 5855417. The next prime is 5855483. The reversal of 5855440 is 445585.

It can be written as a sum of positive squares in 4 ways, for example, as 944784 + 4910656 = 972^2 + 2216^2 .

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

It is a congruent number.

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, 3550 + ... + 4930.

Almost surely, 2^5855440 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 5855440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6940404).

5855440 is an abundant number, since it is smaller than the sum of its proper divisors (8025368).

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

5855440 is a wasteful number, since it uses less digits than its factorization.

5855440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447 (or 1441 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 5855440 is about 2419.8016447635. The cubic root of 5855440 is about 180.2408299028.

The spelling of 5855440 in words is "five million, eight hundred fifty-five thousand, four hundred forty".