240426505 has 8 divisors (see below), whose sum is σ = 314740224. Its totient is φ = 174855600.

The previous prime is 240426499. The next prime is 240426517. The reversal of 240426505 is 505624042.

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

It is not a de Polignac number, because 240426505 - 2¹⁵ = 240393737 is a prime.

It is a Duffinian number.

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, 2185641 + ... + 2185750.

It is an arithmetic number, because the mean of its divisors is an integer number (39342528).

Almost surely, 2^240426505 is an apocalyptic number.

It is an amenable number.

240426505 is a deficient number, since it is larger than the sum of its proper divisors (74313719).

240426505 is a wasteful number, since it uses less digits than its factorization.

240426505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4371407.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 240426505 is about 15505.6926643088. The cubic root of 240426505 is about 621.8144083958.

The spelling of 240426505 in words is "two hundred forty million, four hundred twenty-six thousand, five hundred five".