240042444040 has 32 divisors (see below), whose sum is σ = 617251999680. Its totient is φ = 82300266432.

The previous prime is 240042444011. The next prime is 240042444043. The reversal of 240042444040 is 40444240042.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (240042444043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428646942 + ... + 428647501.

It is an arithmetic number, because the mean of its divisors is an integer number (19289124990).

Almost surely, 2^240042444040 is an apocalyptic number.

240042444040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240042444040 is an abundant number, since it is smaller than the sum of its proper divisors (377209555640).

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

240042444040 is a wasteful number, since it uses less digits than its factorization.

240042444040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857294461 (or 857294457 counting only the distinct ones).

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

Adding to 240042444040 its reverse (40444240042), we get a palindrome (280486684082).

The spelling of 240042444040 in words is "two hundred forty billion, forty-two million, four hundred forty-four thousand, forty".