2520503105340 has 48 divisors (see below), whose sum is σ = 7698991305600. Its totient is φ = 611031055680.

The previous prime is 2520503105297. The next prime is 2520503105347. The reversal of 2520503105340 is 435013050252.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2520503105298 and 2520503105307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520503105347) 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, 1909471390 + ... + 1909472709.

It is an arithmetic number, because the mean of its divisors is an integer number (160395652200).

Almost surely, 2^{2520503105340} is an apocalyptic number.

2520503105340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520503105340 is an abundant number, since it is smaller than the sum of its proper divisors (5178488200260).

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

2520503105340 is a wasteful number, since it uses less digits than its factorization.

2520503105340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818944122 (or 3818944120 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 2520503105340 its reverse (435013050252), we get a palindrome (2955516155592).

The spelling of 2520503105340 in words is "two trillion, five hundred twenty billion, five hundred three million, one hundred five thousand, three hundred forty".