240225531551 has 8 divisors (see below), whose sum is σ = 261588601200. Its totient is φ = 219734424000.

The previous prime is 240225531457. The next prime is 240225531563. The reversal of 240225531551 is 155135522042.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240225531551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240225531571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217989950 + ... + 217991051.

It is an arithmetic number, because the mean of its divisors is an integer number (32698575150).

Almost surely, 2^240225531551 is an apocalyptic number.

240225531551 is a deficient number, since it is larger than the sum of its proper divisors (21363069649).

240225531551 is a wasteful number, since it uses less digits than its factorization.

240225531551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435981049.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 240225531551 in words is "two hundred forty billion, two hundred twenty-five million, five hundred thirty-one thousand, five hundred fifty-one".