2450440 has 16 divisors (see below), whose sum is σ = 5513580. Its totient is φ = 980160.

The previous prime is 2450417. The next prime is 2450453. The reversal of 2450440 is 440542.

It can be written as a sum of positive squares in 2 ways, for example, as 2316484 + 133956 = 1522^2 + 366^2 .

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, 30591 + ... + 30670.

2^2450440 is an apocalyptic number.

2450440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2450440 is an abundant number, since it is smaller than the sum of its proper divisors (3063140).

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

2450440 is a wasteful number, since it uses less digits than its factorization.

2450440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61272 (or 61268 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 2450440 is about 1565.3881307842. The cubic root of 2450440 is about 134.8180447627.

Adding to 2450440 its reverse (440542), we get a palindrome (2890982).

The spelling of 2450440 in words is "two million, four hundred fifty thousand, four hundred forty".