406448868 has 48 divisors (see below), whose sum is σ = 1084898304. Its totient is φ = 116017440.

The previous prime is 406448863. The next prime is 406448899. The reversal of 406448868 is 868844604.

It is not an unprimeable number, because it can be changed into a prime (406448863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133483 + ... + 136493.

It is an arithmetic number, because the mean of its divisors is an integer number (22602048).

Almost surely, 2^406448868 is an apocalyptic number.

It is an amenable number.

406448868 is an abundant number, since it is smaller than the sum of its proper divisors (678449436).

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

406448868 is a wasteful number, since it uses less digits than its factorization.

406448868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4632 (or 4630 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 48.

The square root of 406448868 is about 20160.5770750740. The cubic root of 406448868 is about 740.7448477811.

The spelling of 406448868 in words is "four hundred six million, four hundred forty-eight thousand, eight hundred sixty-eight".