2520468040 has 64 divisors (see below), whose sum is σ = 5745524400. Its totient is φ = 995023872.

The previous prime is 2520468001. The next prime is 2520468043. The reversal of 2520468040 is 408640252.

It can be written as a sum of positive squares in 8 ways, for example, as 1643005156 + 877462884 = 40534^2 + 29622^2 .

It is a super-2 number, since 2×2520468040² = 12705518281322883200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2520467993 and 2520468011.

It is not an unprimeable number, because it can be changed into a prime (2520468043) 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, 1276494 + ... + 1278466.

Almost surely, 2^2520468040 is an apocalyptic number.

2520468040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520468040 is an abundant number, since it is smaller than the sum of its proper divisors (3225056360).

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

2520468040 is a wasteful number, since it uses less digits than its factorization.

2520468040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386 (or 2382 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 2520468040 is about 50204.2631655918. The cubic root of 2520468040 is about 1360.9026663160.

The spelling of 2520468040 in words is "two billion, five hundred twenty million, four hundred sixty-eight thousand, forty".