13456635460 has 24 divisors (see below), whose sum is σ = 28422288216. Its totient is φ = 5351539200.

The previous prime is 13456635457. The next prime is 13456635469. The reversal of 13456635460 is 6453665431.

It can be written as a sum of positive squares in 4 ways, for example, as 3200617476 + 10256017984 = 56574^2 + 101272^2 .

It is not an unprimeable number, because it can be changed into a prime (13456635469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1941141 + ... + 1948060.

It is an arithmetic number, because the mean of its divisors is an integer number (1184262009).

Almost surely, 2^13456635460 is an apocalyptic number.

13456635460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13456635460 is an abundant number, since it is smaller than the sum of its proper divisors (14965652756).

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

13456635460 is a wasteful number, since it uses less digits than its factorization.

13456635460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3889383 (or 3889381 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 13456635460 in words is "thirteen billion, four hundred fifty-six million, six hundred thirty-five thousand, four hundred sixty".