13555932480 has 168 divisors, whose sum is σ = 46865404872. Its totient is φ = 3596414976.

The previous prime is 13555932479. The next prime is 13555932497. The reversal of 13555932480 is 8423955531.

13555932480 is a `hidden beast` number, since 1 + 3 + 55 + 593 + 2 + 4 + 8 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8225764416 + 5330168064 = 90696^2 + 73008^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 555414 + ... + 579306.

Almost surely, 2^13555932480 is an apocalyptic number.

13555932480 is a gapful number since it is divisible by the number (10) 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 13555932480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23432702436).

13555932480 is an abundant number, since it is smaller than the sum of its proper divisors (33309472392).

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

13555932480 is a wasteful number, since it uses less digits than its factorization.

13555932480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24113 (or 24100 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 13555932480 in words is "thirteen billion, five hundred fifty-five million, nine hundred thirty-two thousand, four hundred eighty".