254455220 has 48 divisors (see below), whose sum is σ = 564432960. Its totient is φ = 96090624.

The previous prime is 254455219. The next prime is 254455237. The reversal of 254455220 is 22554452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127067 + ... + 129053.

It is an arithmetic number, because the mean of its divisors is an integer number (11759020).

Almost surely, 2^254455220 is an apocalyptic number.

254455220 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 254455220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282216480).

254455220 is an abundant number, since it is smaller than the sum of its proper divisors (309977740).

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

254455220 is a wasteful number, since it uses less digits than its factorization.

254455220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352 (or 2350 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 254455220 is about 15951.6525789650. The cubic root of 254455220 is about 633.6806632851.

The spelling of 254455220 in words is "two hundred fifty-four million, four hundred fifty-five thousand, two hundred twenty".