2504455240 has 64 divisors (see below), whose sum is σ = 6490828800. Its totient is φ = 851897088.

The previous prime is 2504455183. The next prime is 2504455241. The reversal of 2504455240 is 425544052.

It is not an unprimeable number, because it can be changed into a prime (2504455241) 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, 346 + ... + 70774.

It is an arithmetic number, because the mean of its divisors is an integer number (101419200).

Almost surely, 2^2504455240 is an apocalyptic number.

2504455240 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 2504455240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3245414400).

2504455240 is an abundant number, since it is smaller than the sum of its proper divisors (3986373560).

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

2504455240 is a wasteful number, since it uses less digits than its factorization.

2504455240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70574 (or 70570 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 2504455240 is about 50044.5325685034. The cubic root of 2504455240 is about 1358.0145553101.

Adding to 2504455240 its reverse (425544052), we get a palindrome (2929999292).

The spelling of 2504455240 in words is "two billion, five hundred four million, four hundred fifty-five thousand, two hundred forty".