13452402520 has 16 divisors (see below), whose sum is σ = 30267905760. Its totient is φ = 5380960992.

The previous prime is 13452402497. The next prime is 13452402527. The reversal of 13452402520 is 2520425431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13452402527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168154992 + ... + 168155071.

It is an arithmetic number, because the mean of its divisors is an integer number (1891744110).

Almost surely, 2^13452402520 is an apocalyptic number.

13452402520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13452402520 is an abundant number, since it is smaller than the sum of its proper divisors (16815503240).

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

13452402520 is a wasteful number, since it uses less digits than its factorization.

13452402520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336310074 (or 336310070 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 13452402520 its reverse (2520425431), we get a palindrome (15972827951).

The spelling of 13452402520 in words is "thirteen billion, four hundred fifty-two million, four hundred two thousand, five hundred twenty".