13455714820 has 24 divisors (see below), whose sum is σ = 28380403800. Its totient is φ = 5358780672.

The previous prime is 13455714803. The next prime is 13455714821. The reversal of 13455714820 is 2841755431.

It can be written as a sum of positive squares in 4 ways, for example, as 5888106756 + 7567608064 = 76734^2 + 86992^2 .

It is a super-2 number, since 2×13455714820² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13455714821) 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, 1464385 + ... + 1473544.

It is an arithmetic number, because the mean of its divisors is an integer number (1182516825).

Almost surely, 2^13455714820 is an apocalyptic number.

13455714820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13455714820 is an abundant number, since it is smaller than the sum of its proper divisors (14924688980).

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

13455714820 is a wasteful number, since it uses less digits than its factorization.

13455714820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938167 (or 2938165 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 13455714820 in words is "thirteen billion, four hundred fifty-five million, seven hundred fourteen thousand, eight hundred twenty".