13455779832 has 384 divisors, whose sum is σ = 43637832000. Its totient is φ = 3832012800.

The previous prime is 13455779749. The next prime is 13455779851. The reversal of 13455779832 is 23897755431.

13455779832 is a `hidden beast` number, since 1 + 3 + 4 + 557 + 7 + 9 + 83 + 2 = 666.

13455779832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (6350400) is a multiple of the sum of its prime factors (540).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 31075488 + ... + 31075920.

Almost surely, 2^13455779832 is an apocalyptic number.

13455779832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13455779832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21818916000).

13455779832 is an abundant number, since it is smaller than the sum of its proper divisors (30182052168).

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

13455779832 is a wasteful number, since it uses less digits than its factorization.

13455779832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 519 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The spelling of 13455779832 in words is "thirteen billion, four hundred fifty-five million, seven hundred seventy-nine thousand, eight hundred thirty-two".