240040404642 has 8 divisors (see below), whose sum is σ = 480080809296. Its totient is φ = 80013468212.

The previous prime is 240040404619. The next prime is 240040404647. The reversal of 240040404642 is 246404040042.

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

240040404642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (240040404647) 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, 20003367048 + ... + 20003367059.

It is an arithmetic number, because the mean of its divisors is an integer number (60010101162).

Almost surely, 2^240040404642 is an apocalyptic number.

240040404642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

240040404642 is a wasteful number, since it uses less digits than its factorization.

240040404642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40006734112.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 240040404642 its reverse (246404040042), we get a palindrome (486444444684).

The spelling of 240040404642 in words is "two hundred forty billion, forty million, four hundred four thousand, six hundred forty-two".