240457700645505 has 48 divisors (see below), whose sum is σ = 492760608238080. Its totient is φ = 106133054073984.

The previous prime is 240457700645467. The next prime is 240457700645573. The reversal of 240457700645505 is 505546007754042.

240457700645505 is a `hidden beast` number, since 2 + 4 + 0 + 4 + 5 + 7 + 70 + 0 + 64 + 5 + 505 = 666.

It is not a de Polignac number, because 240457700645505 - 2⁶ = 240457700645441 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13161331897 + ... + 13161350166.

It is an arithmetic number, because the mean of its divisors is an integer number (10265846004960).

Almost surely, 2^{240457700645505} is an apocalyptic number.

It is an amenable number.

240457700645505 is an abundant number, since it is smaller than the sum of its proper divisors (252302907592575).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

240457700645505 is a wasteful number, since it uses less digits than its factorization.

240457700645505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26322682110 (or 26322682107 counting only the distinct ones).

The product of its (nonzero) digits is 23520000, while the sum is 54.

The spelling of 240457700645505 in words is "two hundred forty trillion, four hundred fifty-seven billion, seven hundred million, six hundred forty-five thousand, five hundred five".