5450240 has 40 divisors (see below), whose sum is σ = 13073940. Its totient is φ = 2179072.

The previous prime is 5450239. The next prime is 5450257. The reversal of 5450240 is 420545.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5234944 + 215296 = 2288^2 + 464^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (20).

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 3 ways as a sum of consecutive naturals, for example, 1496 + ... + 3624.

Almost surely, 2^5450240 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 5450240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6536970).

5450240 is an abundant number, since it is smaller than the sum of its proper divisors (7623700).

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

5450240 is an equidigital number, since it uses as much as digits as its factorization.

5450240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152 (or 2136 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 5450240 is about 2334.5749077723. The cubic root of 5450240 is about 175.9834695218.

Adding to 5450240 its reverse (420545), we get a palindrome (5870785).

The spelling of 5450240 in words is "five million, four hundred fifty thousand, two hundred forty".