5400450 has 72 divisors (see below), whose sum is σ = 15842736. Its totient is φ = 1308000.

The previous prime is 5400443. The next prime is 5400457. The reversal of 5400450 is 540045.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5400443) and next prime (5400457).

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

It is not an unprimeable number, because it can be changed into a prime (5400457) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4405 + ... + 5495.

It is an arithmetic number, because the mean of its divisors is an integer number (220038).

Almost surely, 2^5400450 is an apocalyptic number.

5400450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5400450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7921368).

5400450 is an abundant number, since it is smaller than the sum of its proper divisors (10442286).

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

5400450 is a wasteful number, since it uses less digits than its factorization.

5400450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120 (or 1112 counting only the distinct ones).

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

The square root of 5400450 is about 2323.8868302910. The cubic root of 5400450 is about 175.4459375203.

Adding to 5400450 its reverse (540045), we get a palindrome (5940495).

The spelling of 5400450 in words is "five million, four hundred thousand, four hundred fifty".