240440040442 has 8 divisors (see below), whose sum is σ = 412182926496. Its totient is φ = 103045731612.

The previous prime is 240440040439. The next prime is 240440040523. The reversal of 240440040442 is 244040044042.

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

It is a super-2 number, since 2×240440040442² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 240440040442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8587144288 + ... + 8587144315.

It is an arithmetic number, because the mean of its divisors is an integer number (51522865812).

Almost surely, 2^240440040442 is an apocalyptic number.

240440040442 is a deficient number, since it is larger than the sum of its proper divisors (171742886054).

240440040442 is a wasteful number, since it uses less digits than its factorization.

240440040442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17174288612.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 240440040442 its reverse (244040044042), we get a palindrome (484480084484).

The spelling of 240440040442 in words is "two hundred forty billion, four hundred forty million, forty thousand, four hundred forty-two".