254478380 has 48 divisors (see below), whose sum is σ = 594096384. Its totient is φ = 90927360.

The previous prime is 254478379. The next prime is 254478391. The reversal of 254478380 is 83874452.

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, 7727 + ... + 23846.

It is an arithmetic number, because the mean of its divisors is an integer number (12377008).

Almost surely, 2^254478380 is an apocalyptic number.

254478380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254478380 is an abundant number, since it is smaller than the sum of its proper divisors (339618004).

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

254478380 is a wasteful number, since it uses less digits than its factorization.

254478380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31626 (or 31624 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 254478380 is about 15952.3785060410. The cubic root of 254478380 is about 633.6998881464.

The spelling of 254478380 in words is "two hundred fifty-four million, four hundred seventy-eight thousand, three hundred eighty".