2504042040 has 64 divisors (see below), whose sum is σ = 7517030400. Its totient is φ = 667308672.

The previous prime is 2504042029. The next prime is 2504042059. The reversal of 2504042040 is 402404052.

It is a junction number, because it is equal to n+sod(n) for n = 2504041998 and 2504042016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205149 + ... + 217011.

It is an arithmetic number, because the mean of its divisors is an integer number (117453600).

Almost surely, 2^2504042040 is an apocalyptic number.

2504042040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2504042040 is an abundant number, since it is smaller than the sum of its proper divisors (5012988360).

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

2504042040 is a wasteful number, since it uses less digits than its factorization.

2504042040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13636 (or 13632 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 2504042040 is about 50040.4040751071. The cubic root of 2504042040 is about 1357.9398667488.

Adding to 2504042040 its reverse (402404052), we get a palindrome (2906446092).

The spelling of 2504042040 in words is "two billion, five hundred four million, forty-two thousand, forty".