2450040 has 64 divisors (see below), whose sum is σ = 7788960. Its totient is φ = 614400.

The previous prime is 2450017. The next prime is 2450047. The reversal of 2450040 is 400542.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2450047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1440 + ... + 2640.

2^2450040 is an apocalyptic number.

2450040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2450040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3894480).

2450040 is an abundant number, since it is smaller than the sum of its proper divisors (5338920).

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

2450040 is a wasteful number, since it uses less digits than its factorization.

2450040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232 (or 1228 counting only the distinct ones).

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

The square root of 2450040 is about 1565.2603617290. The cubic root of 2450040 is about 134.8107086445.

Adding to 2450040 its reverse (400542), we get a palindrome (2850582).

The spelling of 2450040 in words is "two million, four hundred fifty thousand, forty".