662440226465 has 8 divisors (see below), whose sum is σ = 841688758440. Its totient is φ = 498778523392.

The previous prime is 662440226429. The next prime is 662440226477. The reversal of 662440226465 is 564622044266.

It can be written as a sum of positive squares in 4 ways, for example, as 141893849344 + 520546377121 = 376688^2 + 721489^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 662440226465 - 2¹² = 662440222369 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3896707130 + ... + 3896707299.

It is an arithmetic number, because the mean of its divisors is an integer number (105211094805).

Almost surely, 2^662440226465 is an apocalyptic number.

It is an amenable number.

662440226465 is a deficient number, since it is larger than the sum of its proper divisors (179248531975).

662440226465 is a wasteful number, since it uses less digits than its factorization.

662440226465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7793414451.

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 662440226465 in words is "six hundred sixty-two billion, four hundred forty million, two hundred twenty-six thousand, four hundred sixty-five".