155880328689360 has 240 divisors, whose sum is σ = 571121008773120. Its totient is φ = 37787042012160.

The previous prime is 155880328689359. The next prime is 155880328689401. The reversal of 155880328689360 is 63986823088551.

155880328689360 is a `hidden beast` number, since 1 + 5 + 5 + 8 + 80 + 32 + 86 + 89 + 360 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142386946 + ... + 143477534.

It is an arithmetic number, because the mean of its divisors is an integer number (2379670869888).

Almost surely, 2^{155880328689360} is an apocalyptic number.

155880328689360 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 155880328689360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285560504386560).

155880328689360 is an abundant number, since it is smaller than the sum of its proper divisors (415240680083760).

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

155880328689360 is a wasteful number, since it uses less digits than its factorization.

155880328689360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108666 (or 1108657 counting only the distinct ones).

The product of its (nonzero) digits is 597196800, while the sum is 72.

The spelling of 155880328689360 in words is "one hundred fifty-five trillion, eight hundred eighty billion, three hundred twenty-eight million, six hundred eighty-nine thousand, three hundred sixty".