240272300640457 has 4 divisors (see below), whose sum is σ = 240274559858116. Its totient is φ = 240270041422800.

The previous prime is 240272300640439. The next prime is 240272300640473. The reversal of 240272300640457 is 754046003272042.

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

It can be written as a sum of positive squares in 2 ways, for example, as 239873528598201 + 398772042256 = 15487851^2 + 631484^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240272300640457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240272300640487) 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, 1129449294 + ... + 1129662007.

It is an arithmetic number, because the mean of its divisors is an integer number (60068639964529).

Almost surely, 2^{240272300640457} is an apocalyptic number.

It is an amenable number.

240272300640457 is a deficient number, since it is larger than the sum of its proper divisors (2259217659).

240272300640457 is a wasteful number, since it uses less digits than its factorization.

240272300640457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259217658.

The product of its (nonzero) digits is 2257920, while the sum is 46.

The spelling of 240272300640457 in words is "two hundred forty trillion, two hundred seventy-two billion, three hundred million, six hundred forty thousand, four hundred fifty-seven".