254321240 has 16 divisors (see below), whose sum is σ = 572222880. Its totient is φ = 101728480.

The previous prime is 254321227. The next prime is 254321257. The reversal of 254321240 is 42123452.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3178976 + ... + 3179055.

It is an arithmetic number, because the mean of its divisors is an integer number (35763930).

Almost surely, 2^254321240 is an apocalyptic number.

254321240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254321240 is an abundant number, since it is smaller than the sum of its proper divisors (317901640).

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

254321240 is a wasteful number, since it uses less digits than its factorization.

254321240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6358042 (or 6358038 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 254321240 is about 15947.4524611300. The cubic root of 254321240 is about 633.5694250606.

Adding to 254321240 its reverse (42123452), we get a palindrome (296444692).

The spelling of 254321240 in words is "two hundred fifty-four million, three hundred twenty-one thousand, two hundred forty".