240637426 has 8 divisors (see below), whose sum is σ = 361023984. Its totient is φ = 120296100.

The previous prime is 240637409. The next prime is 240637427. The reversal of 240637426 is 624736042.

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

It is a junction number, because it is equal to n+sod(n) for n = 240637391 and 240637400.

It is not an unprimeable number, because it can be changed into a prime (240637427) 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, 10101 + ... + 24151.

It is an arithmetic number, because the mean of its divisors is an integer number (45127998).

Almost surely, 2^240637426 is an apocalyptic number.

240637426 is a deficient number, since it is larger than the sum of its proper divisors (120386558).

240637426 is a wasteful number, since it uses less digits than its factorization.

240637426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22616.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 240637426 is about 15512.4925785639. The cubic root of 240637426 is about 621.9961900491.

The spelling of 240637426 in words is "two hundred forty million, six hundred thirty-seven thousand, four hundred twenty-six".