240653000643 has 32 divisors (see below), whose sum is σ = 365323640832. Its totient is φ = 139484637600.

The previous prime is 240653000641. The next prime is 240653000647. The reversal of 240653000643 is 346000356042.

It is not a de Polignac number, because 240653000643 - 2¹ = 240653000641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (240653000641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4902246 + ... + 4951092.

It is an arithmetic number, because the mean of its divisors is an integer number (11416363776).

Almost surely, 2^240653000643 is an apocalyptic number.

240653000643 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

240653000643 is a deficient number, since it is larger than the sum of its proper divisors (124670640189).

240653000643 is a wasteful number, since it uses less digits than its factorization.

240653000643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55375.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 240653000643 its reverse (346000356042), we get a palindrome (586653356685).

The spelling of 240653000643 in words is "two hundred forty billion, six hundred fifty-three million, six hundred forty-three", and thus it is an aban number.