454921488 has 120 divisors (see below), whose sum is σ = 1519054560. Its totient is φ = 129971520.

The previous prime is 454921483. The next prime is 454921499. The reversal of 454921488 is 884129454.

454921488 is a `hidden beast` number, since 4 + 549 + 21 + 4 + 88 = 666.

It is not an unprimeable number, because it can be changed into a prime (454921483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10423 + ... + 31913.

It is an arithmetic number, because the mean of its divisors is an integer number (12658788).

Almost surely, 2^454921488 is an apocalyptic number.

454921488 is a gapful number since it is divisible by the number (48) 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 454921488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (759527280).

454921488 is an abundant number, since it is smaller than the sum of its proper divisors (1064133072).

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

454921488 is a wasteful number, since it uses less digits than its factorization.

454921488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21522 (or 21503 counting only the distinct ones).

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

The square root of 454921488 is about 21328.8885786391. Note that the first 3 decimals coincide. The cubic root of 454921488 is about 769.0929263611.

The spelling of 454921488 in words is "four hundred fifty-four million, nine hundred twenty-one thousand, four hundred eighty-eight".