405595242901 has 4 divisors (see below), whose sum is σ = 406916400352. Its totient is φ = 404274085452.

The previous prime is 405595242869. The next prime is 405595242907. The reversal of 405595242901 is 109242595504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 405595242901 - 2⁵ = 405595242869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405595242907) 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, 660578265 + ... + 660578878.

It is an arithmetic number, because the mean of its divisors is an integer number (101729100088).

Almost surely, 2^405595242901 is an apocalyptic number.

It is an amenable number.

405595242901 is a deficient number, since it is larger than the sum of its proper divisors (1321157451).

405595242901 is a wasteful number, since it uses less digits than its factorization.

405595242901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321157450.

The product of its (nonzero) digits is 648000, while the sum is 46.

The spelling of 405595242901 in words is "four hundred five billion, five hundred ninety-five million, two hundred forty-two thousand, nine hundred one".