240538394 has 8 divisors (see below), whose sum is σ = 362383860. Its totient is φ = 119743776.

The previous prime is 240538367. The next prime is 240538429. The reversal of 240538394 is 493835042.

240538394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 211324369 + 29214025 = 14537^2 + 5405^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262139 + ... + 263054.

Almost surely, 2^240538394 is an apocalyptic number.

240538394 is a deficient number, since it is larger than the sum of its proper divisors (121845466).

240538394 is a wasteful number, since it uses less digits than its factorization.

240538394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525424.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 240538394 is about 15509.3002421128. The cubic root of 240538394 is about 621.9108528406.

The spelling of 240538394 in words is "two hundred forty million, five hundred thirty-eight thousand, three hundred ninety-four".