408454248 has 128 divisors (see below), whose sum is σ = 1131609600. Its totient is φ = 122363136.

The previous prime is 408454243. The next prime is 408454303. The reversal of 408454248 is 842454804.

It is not an unprimeable number, because it can be changed into a prime (408454243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 725215 + ... + 725777.

It is an arithmetic number, because the mean of its divisors is an integer number (8840700).

Almost surely, 2^408454248 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 408454248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565804800).

408454248 is an abundant number, since it is smaller than the sum of its proper divisors (723155352).

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

408454248 is a wasteful number, since it uses less digits than its factorization.

408454248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 39.

The square root of 408454248 is about 20210.2510622704. The cubic root of 408454248 is about 741.9611045113.

The spelling of 408454248 in words is "four hundred eight million, four hundred fifty-four thousand, two hundred forty-eight".