6402180 has 24 divisors (see below), whose sum is σ = 17926272. Its totient is φ = 1707232.

The previous prime is 6402169. The next prime is 6402181. The reversal of 6402180 is 812046.

It is not an unprimeable number, because it can be changed into a prime (6402181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53292 + ... + 53411.

It is an arithmetic number, because the mean of its divisors is an integer number (746928).

Almost surely, 2^6402180 is an apocalyptic number.

6402180 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6402180 is an abundant number, since it is smaller than the sum of its proper divisors (11524092).

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

6402180 is a wasteful number, since it uses less digits than its factorization.

6402180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106715 (or 106713 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 6402180 is about 2530.2529517817. The cubic root of 6402180 is about 185.6846315007.

The spelling of 6402180 in words is "six million, four hundred two thousand, one hundred eighty".