406885680 has 100 divisors (see below), whose sum is σ = 1413196752. Its totient is φ = 108501120.

The previous prime is 406885673. The next prime is 406885723. The reversal of 406885680 is 86588604.

406885680 is a `hidden beast` number, since 4 + 0 + 6 + 88 + 568 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24916 + ... + 37875.

Almost surely, 2^406885680 is an apocalyptic number.

406885680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

406885680 is an abundant number, since it is smaller than the sum of its proper divisors (1006311072).

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

406885680 is a wasteful number, since it uses less digits than its factorization.

406885680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62816 (or 62801 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 406885680 is about 20171.4074868364. The cubic root of 406885680 is about 741.0101131240.

The spelling of 406885680 in words is "four hundred six million, eight hundred eighty-five thousand, six hundred eighty".