155473858080 has 768 divisors, whose sum is σ = 595703808000. Its totient is φ = 37749583872.

The previous prime is 155473858061. The next prime is 155473858091. The reversal of 155473858080 is 80858374551.

155473858080 is a `hidden beast` number, since 1 + 5 + 54 + 7 + 3 + 8 + 580 + 8 + 0 = 666.

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

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 127 ways as a sum of consecutive naturals, for example, 227633419 + ... + 227634101.

It is an arithmetic number, because the mean of its divisors is an integer number (775656000).

Almost surely, 2^155473858080 is an apocalyptic number.

155473858080 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 155473858080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297851904000).

155473858080 is an abundant number, since it is smaller than the sum of its proper divisors (440229949920).

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

155473858080 is a wasteful number, since it uses less digits than its factorization.

155473858080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838 (or 824 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 54.

The spelling of 155473858080 in words is "one hundred fifty-five billion, four hundred seventy-three million, eight hundred fifty-eight thousand, eighty".