240465325553 has 4 divisors (see below), whose sum is σ = 241808707440. Its totient is φ = 239121943668.

The previous prime is 240465325547. The next prime is 240465325559. The reversal of 240465325553 is 355523564042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (240465325547) and next prime (240465325559).

It is a cyclic number.

It is not a de Polignac number, because 240465325553 - 2⁸ = 240465325297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240465325559) 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, 671690675 + ... + 671691032.

It is an arithmetic number, because the mean of its divisors is an integer number (60452176860).

Almost surely, 2^240465325553 is an apocalyptic number.

It is an amenable number.

240465325553 is a deficient number, since it is larger than the sum of its proper divisors (1343381887).

240465325553 is a wasteful number, since it uses less digits than its factorization.

240465325553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343381886.

The product of its (nonzero) digits is 2160000, while the sum is 44.

Adding to 240465325553 its reverse (355523564042), we get a palindrome (595988889595).

The spelling of 240465325553 in words is "two hundred forty billion, four hundred sixty-five million, three hundred twenty-five thousand, five hundred fifty-three".