454997520 has 160 divisors (see below), whose sum is σ = 1659536640. Its totient is φ = 114186240.

The previous prime is 454997519. The next prime is 454997533. The reversal of 454997520 is 25799454.

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 31 ways as a sum of consecutive naturals, for example, 30525 + ... + 42915.

It is an arithmetic number, because the mean of its divisors is an integer number (10372104).

Almost surely, 2^454997520 is an apocalyptic number.

454997520 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 454997520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (829768320).

454997520 is an abundant number, since it is smaller than the sum of its proper divisors (1204539120).

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

454997520 is a wasteful number, since it uses less digits than its factorization.

454997520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12430 (or 12418 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 454997520 is about 21330.6708755257. The cubic root of 454997520 is about 769.1357706889.

The spelling of 454997520 in words is "four hundred fifty-four million, nine hundred ninety-seven thousand, five hundred twenty".