105180408 has 96 divisors (see below), whose sum is σ = 297451440. Its totient is φ = 33546240.

The previous prime is 105180401. The next prime is 105180431. The reversal of 105180408 is 804081501.

It is a super-2 number, since 2×105180408² = 22125836454092928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105180401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163768 + ... + 164408.

Almost surely, 2^105180408 is an apocalyptic number.

105180408 is a gapful number since it is divisible by the number (18) 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 105180408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148725720).

105180408 is an abundant number, since it is smaller than the sum of its proper divisors (192271032).

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

105180408 is a wasteful number, since it uses less digits than its factorization.

105180408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 105180408 is about 10255.7499969529. The cubic root of 105180408 is about 472.0394369998.

The spelling of 105180408 in words is "one hundred five million, one hundred eighty thousand, four hundred eight".