240157394 has 8 divisors (see below), whose sum is σ = 360361980. Its totient is φ = 120036736.

The previous prime is 240157391. The next prime is 240157409. The reversal of 240157394 is 493751042.

It can be written as a sum of positive squares in 2 ways, for example, as 163507369 + 76650025 = 12787^2 + 8755^2 .

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 (240157391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13259 + ... + 25614.

Almost surely, 2^240157394 is an apocalyptic number.

240157394 is a deficient number, since it is larger than the sum of its proper divisors (120204586).

240157394 is a wasteful number, since it uses less digits than its factorization.

240157394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41964.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 240157394 is about 15497.0124217541. The cubic root of 240157394 is about 621.5823214358.

It can be divided in two parts, 2401 and 57394, that added together give a palindrome (59795).

The spelling of 240157394 in words is "two hundred forty million, one hundred fifty-seven thousand, three hundred ninety-four".