454208920 has 128 divisors (see below), whose sum is σ = 1150848000. Its totient is φ = 159943680.

The previous prime is 454208857. The next prime is 454208971. The reversal of 454208920 is 29802454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2537391 + ... + 2537569.

It is an arithmetic number, because the mean of its divisors is an integer number (8991000).

Almost surely, 2^454208920 is an apocalyptic number.

454208920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454208920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575424000).

454208920 is an abundant number, since it is smaller than the sum of its proper divisors (696639080).

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

454208920 is a wasteful number, since it uses less digits than its factorization.

454208920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 454208920 is about 21312.1777394991. The cubic root of 454208920 is about 768.6911593098.

The spelling of 454208920 in words is "four hundred fifty-four million, two hundred eight thousand, nine hundred twenty".