13454477720 has 64 divisors (see below), whose sum is σ = 30513024000. Its totient is φ = 5339191168.

The previous prime is 13454477681. The next prime is 13454477737. The reversal of 13454477720 is 2777445431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3427679 + ... + 3431601.

It is an arithmetic number, because the mean of its divisors is an integer number (476766000).

Almost surely, 2^13454477720 is an apocalyptic number.

13454477720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13454477720 is an abundant number, since it is smaller than the sum of its proper divisors (17058546280).

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

13454477720 is a wasteful number, since it uses less digits than its factorization.

13454477720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4592 (or 4588 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 44.

The spelling of 13454477720 in words is "thirteen billion, four hundred fifty-four million, four hundred seventy-seven thousand, seven hundred twenty".