240045151447221 has 8 divisors (see below), whose sum is σ = 320622697893120. Its totient is φ = 159748852983072.

The previous prime is 240045151447201. The next prime is 240045151447237. The reversal of 240045151447221 is 122744151540042.

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

It is not a de Polignac number, because 240045151447221 - 2¹⁰ = 240045151446197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240045151447201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70311993445 + ... + 70311996858.

It is an arithmetic number, because the mean of its divisors is an integer number (40077837236640).

Almost surely, 2^{240045151447221} is an apocalyptic number.

It is an amenable number.

240045151447221 is a deficient number, since it is larger than the sum of its proper divisors (80577546445899).

240045151447221 is a wasteful number, since it uses less digits than its factorization.

240045151447221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140623990875.

The product of its (nonzero) digits is 358400, while the sum is 42.

The spelling of 240045151447221 in words is "two hundred forty trillion, forty-five billion, one hundred fifty-one million, four hundred forty-seven thousand, two hundred twenty-one".