2504040920 has 16 divisors (see below), whose sum is σ = 5634092160. Its totient is φ = 1001616352.

The previous prime is 2504040907. The next prime is 2504040947. The reversal of 2504040920 is 290404052.

It is a self number, because there is not a number n which added to its sum of digits gives 2504040920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31300472 + ... + 31300551.

It is an arithmetic number, because the mean of its divisors is an integer number (352130760).

Almost surely, 2^2504040920 is an apocalyptic number.

2504040920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2504040920 is an abundant number, since it is smaller than the sum of its proper divisors (3130051240).

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

2504040920 is a wasteful number, since it uses less digits than its factorization.

2504040920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62601034 (or 62601030 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2504040920 is about 50040.3928841491. The cubic root of 2504040920 is about 1357.9396642904.

Adding to 2504040920 its reverse (290404052), we get a palindrome (2794444972).

The spelling of 2504040920 in words is "two billion, five hundred four million, forty thousand, nine hundred twenty".