5599440 has 240 divisors, whose sum is σ = 23677056. Its totient is φ = 1152000.

The previous prime is 5599427. The next prime is 5599457. The reversal of 5599440 is 449955.

5599440 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5599395 and 5599404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55390 + ... + 55490.

Almost surely, 2^5599440 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 5599440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11838528).

5599440 is an abundant number, since it is smaller than the sum of its proper divisors (18077616).

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

5599440 is a wasteful number, since it uses less digits than its factorization.

5599440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 5599440 is about 2366.3135886860. The cubic root of 5599440 is about 177.5748807912.

It can be divided in two parts, 559 and 9440, that added together give a palindrome (9999).

The spelling of 5599440 in words is "five million, five hundred ninety-nine thousand, four hundred forty".