254553353320 has 128 divisors (see below), whose sum is σ = 673038927360. Its totient is φ = 84817843200.

The previous prime is 254553353317. The next prime is 254553353321. The reversal of 254553353320 is 23353355452.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (254553353321) 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, 9175470 + ... + 9203170.

It is an arithmetic number, because the mean of its divisors is an integer number (5258116620).

Almost surely, 2^254553353320 is an apocalyptic number.

254553353320 is a gapful number since it is divisible by the number (20) 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 254553353320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336519463680).

254553353320 is an abundant number, since it is smaller than the sum of its proper divisors (418485574040).

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

254553353320 is a wasteful number, since it uses less digits than its factorization.

254553353320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28643 (or 28639 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 40.

The spelling of 254553353320 in words is "two hundred fifty-four billion, five hundred fifty-three million, three hundred fifty-three thousand, three hundred twenty".