6406052180 has 54 divisors (see below), whose sum is σ = 14795956602. Its totient is φ = 2328041760.

The previous prime is 6406052167. The next prime is 6406052197. The reversal of 6406052180 is 812506046.

It can be written as a sum of positive squares in only one way, i.e., 5124841744 + 1281210436 = 71588^2 + 35794^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3936527 + ... + 3938153.

Almost surely, 2^6406052180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6406052180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7397978301).

6406052180 is an abundant number, since it is smaller than the sum of its proper divisors (8389904422).

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

6406052180 is a wasteful number, since it uses less digits than its factorization.

6406052180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285 (or 1645 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 6406052180 is about 80037.8171866275. The cubic root of 6406052180 is about 1857.2205934606.

Multiplying 6406052180 by its product of nonzero digits (11520), we get a square (73797721113600 = 8590560²).

The spelling of 6406052180 in words is "six billion, four hundred six million, fifty-two thousand, one hundred eighty".