5450040 has 48 divisors (see below), whose sum is σ = 17713800. Its totient is φ = 1453248.

The previous prime is 5450033. The next prime is 5450041. The reversal of 5450040 is 400545.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 5449995 and 5450022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5450041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7210 + ... + 7929.

Almost surely, 2^5450040 is an apocalyptic number.

It is an amenable number.

5450040 is an abundant number, since it is smaller than the sum of its proper divisors (12263760).

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

5450040 is a wasteful number, since it uses less digits than its factorization.

5450040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15156 (or 15149 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 5450040 is about 2334.5320730288. The cubic root of 5450040 is about 175.9813168873.

Adding to 5450040 its reverse (400545), we get a palindrome (5850585).

The spelling of 5450040 in words is "five million, four hundred fifty thousand, forty".