42640300705 has 8 divisors (see below), whose sum is σ = 51182505792. Its totient is φ = 34102810608.

The previous prime is 42640300679. The next prime is 42640300799. The reversal of 42640300705 is 50700304624.

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 42640300705 - 2⁹ = 42640300193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1158819 + ... + 1195048.

It is an arithmetic number, because the mean of its divisors is an integer number (6397813224).

Almost surely, 2^42640300705 is an apocalyptic number.

It is an amenable number.

42640300705 is a deficient number, since it is larger than the sum of its proper divisors (8542205087).

42640300705 is a wasteful number, since it uses less digits than its factorization.

42640300705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357495.

The product of its (nonzero) digits is 20160, while the sum is 31.

The spelling of 42640300705 in words is "forty-two billion, six hundred forty million, three hundred thousand, seven hundred five".