274231240 has 32 divisors (see below), whose sum is σ = 618435000. Its totient is φ = 109441024.

The previous prime is 274231219. The next prime is 274231259. The reversal of 274231240 is 42132472.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 226261764 + 47969476 = 15042^2 + 6926^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10326 + ... + 25594.

Almost surely, 2^274231240 is an apocalyptic number.

274231240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274231240 is an abundant number, since it is smaller than the sum of its proper divisors (344203760).

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

274231240 is a wasteful number, since it uses less digits than its factorization.

274231240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15729 (or 15725 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 274231240 is about 16559.9287438080. The cubic root of 274231240 is about 649.6891926293.

The spelling of 274231240 in words is "two hundred seventy-four million, two hundred thirty-one thousand, two hundred forty".