402206080 has 32 divisors (see below), whose sum is σ = 961525440. Its totient is φ = 160882176.

The previous prime is 402206071. The next prime is 402206099. The reversal of 402206080 is 80602204.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313584 + ... + 314863.

It is an arithmetic number, because the mean of its divisors is an integer number (30047670).

Almost surely, 2^402206080 is an apocalyptic number.

402206080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402206080 is an abundant number, since it is smaller than the sum of its proper divisors (559319360).

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

402206080 is an equidigital number, since it uses as much as digits as its factorization.

402206080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628466 (or 628454 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 402206080 is about 20055.0761654001. The cubic root of 402206080 is about 738.1583618365.

Adding to 402206080 its reverse (80602204), we get a palindrome (482808284).

The spelling of 402206080 in words is "four hundred two million, two hundred six thousand, eighty".