240638274 has 12 divisors (see below), whose sum is σ = 521382966. Its totient is φ = 80212752.

The previous prime is 240638273. The next prime is 240638309. The reversal of 240638274 is 472836042.

It can be written as a sum of positive squares in only one way, i.e., 140778225 + 99860049 = 11865^2 + 9993^2 .

It is not an unprimeable number, because it can be changed into a prime (240638273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6684379 + ... + 6684414.

Almost surely, 2^240638274 is an apocalyptic number.

240638274 is an abundant number, since it is smaller than the sum of its proper divisors (280744692).

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

240638274 is a wasteful number, since it uses less digits than its factorization.

240638274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13368801 (or 13368798 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 240638274 is about 15512.5199113490. The cubic root of 240638274 is about 621.9969206811.

The spelling of 240638274 in words is "two hundred forty million, six hundred thirty-eight thousand, two hundred seventy-four".