2040450 has 48 divisors (see below), whose sum is σ = 5166336. Its totient is φ = 532800.

The previous prime is 2040449. The next prime is 2040457. The reversal of 2040450 is 540402.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (2040457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9039 + ... + 9261.

It is an arithmetic number, because the mean of its divisors is an integer number (107632).

2^2040450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2040450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2583168).

2040450 is an abundant number, since it is smaller than the sum of its proper divisors (3125886).

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

2040450 is a wasteful number, since it uses less digits than its factorization.

2040450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 2040450 is about 1428.4432085316. The cubic root of 2040450 is about 126.8358389011.

Adding to 2040450 its reverse (540402), we get a palindrome (2580852).

It can be divided in two parts, 20 and 40450, that added together give a triangular number (40470 = T₂₈₄).

The spelling of 2040450 in words is "two million, forty thousand, four hundred fifty".