2513436440 has 16 divisors (see below), whose sum is σ = 5655232080. Its totient is φ = 1005374560.

The previous prime is 2513436427. The next prime is 2513436463. The reversal of 2513436440 is 446343152.

It is a junction number, because it is equal to n+sod(n) for n = 2513436397 and 2513436406.

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, 31417916 + ... + 31417995.

It is an arithmetic number, because the mean of its divisors is an integer number (353452005).

Almost surely, 2^2513436440 is an apocalyptic number.

2513436440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2513436440 is an abundant number, since it is smaller than the sum of its proper divisors (3141795640).

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

2513436440 is a wasteful number, since it uses less digits than its factorization.

2513436440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62835922 (or 62835918 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 2513436440 is about 50134.1843456139. The cubic root of 2513436440 is about 1359.6359391731.

Adding to 2513436440 its reverse (446343152), we get a palindrome (2959779592).

The spelling of 2513436440 in words is "two billion, five hundred thirteen million, four hundred thirty-six thousand, four hundred forty".