240040254 has 16 divisors (see below), whose sum is σ = 495567360. Its totient is φ = 77432280.

The previous prime is 240040249. The next prime is 240040291. The reversal of 240040254 is 452040042.

It is a self number, because there is not a number n which added to its sum of digits gives 240040254.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645084 + ... + 645455.

It is an arithmetic number, because the mean of its divisors is an integer number (30972960).

Almost surely, 2^240040254 is an apocalyptic number.

240040254 is an abundant number, since it is smaller than the sum of its proper divisors (255527106).

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

240040254 is a wasteful number, since it uses less digits than its factorization.

240040254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290575.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 240040254 is about 15493.2325226210. The cubic root of 240040254 is about 621.4812432866.

Adding to 240040254 its reverse (452040042), we get a palindrome (692080296).

The spelling of 240040254 in words is "two hundred forty million, forty thousand, two hundred fifty-four".