10550808180 has 144 divisors (see below), whose sum is σ = 34960109184. Its totient is φ = 2554364160.

The previous prime is 10550808139. The next prime is 10550808197. The reversal of 10550808180 is 8180805501.

10550808180 is a `hidden beast` number, since 10 + 550 + 80 + 8 + 18 + 0 = 666.

It is a super-2 number, since 2×10550808180² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 1685817 + ... + 1692063.

It is an arithmetic number, because the mean of its divisors is an integer number (242778536).

Almost surely, 2^10550808180 is an apocalyptic number.

10550808180 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 10550808180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17480054592).

10550808180 is an abundant number, since it is smaller than the sum of its proper divisors (24409301004).

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

10550808180 is a wasteful number, since it uses less digits than its factorization.

10550808180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7126 (or 7121 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 36.

The spelling of 10550808180 in words is "ten billion, five hundred fifty million, eight hundred eight thousand, one hundred eighty".