240523042555 has 4 divisors (see below), whose sum is σ = 288627651072. Its totient is φ = 192418434040.

The previous prime is 240523042523. The next prime is 240523042559. The reversal of 240523042555 is 555240325042.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 240523042555 - 2⁵ = 240523042523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240523042559) 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, 24052304251 + ... + 24052304260.

It is an arithmetic number, because the mean of its divisors is an integer number (72156912768).

Almost surely, 2^240523042555 is an apocalyptic number.

240523042555 is a deficient number, since it is larger than the sum of its proper divisors (48104608517).

240523042555 is an equidigital number, since it uses as much as digits as its factorization.

240523042555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48104608516.

The product of its (nonzero) digits is 240000, while the sum is 37.

Adding to 240523042555 its reverse (555240325042), we get a palindrome (795763367597).

The spelling of 240523042555 in words is "two hundred forty billion, five hundred twenty-three million, forty-two thousand, five hundred fifty-five".