240356257378 has 8 divisors (see below), whose sum is σ = 360564751872. Its totient is φ = 120168006756.

The previous prime is 240356257373. The next prime is 240356257397. The reversal of 240356257378 is 873752653042.

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

It is a super-2 number, since 2×240356257378² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (240356257373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5031250 + ... + 5078797.

It is an arithmetic number, because the mean of its divisors is an integer number (45070593984).

Almost surely, 2^240356257378 is an apocalyptic number.

240356257378 is a deficient number, since it is larger than the sum of its proper divisors (120208494494).

240356257378 is a wasteful number, since it uses less digits than its factorization.

240356257378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10121936.

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 240356257378 in words is "two hundred forty billion, three hundred fifty-six million, two hundred fifty-seven thousand, three hundred seventy-eight".