240287426 has 8 divisors (see below), whose sum is σ = 361340220. Its totient is φ = 119840688.

The previous prime is 240287423. The next prime is 240287431. The reversal of 240287426 is 624782042.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 239475625 + 811801 = 15475^2 + 901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (240287423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150521 + ... + 152108.

Almost surely, 2^240287426 is an apocalyptic number.

240287426 is a deficient number, since it is larger than the sum of its proper divisors (121052794).

240287426 is a wasteful number, since it uses less digits than its factorization.

240287426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303028.

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 240287426 is about 15501.2072433085. The cubic root of 240287426 is about 621.6944853906.

The spelling of 240287426 in words is "two hundred forty million, two hundred eighty-seven thousand, four hundred twenty-six".