446140967942881 has 4 divisors (see below), whose sum is σ = 448633375585200. Its totient is φ = 443648560300564.

The previous prime is 446140967942863. The next prime is 446140967943007. The reversal of 446140967942881 is 188249769041644.

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 a de Polignac number, because none of the positive numbers 2^k-446140967942881 is a prime.

It is a super-2 number, since 2×446140967942881² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (446140967940881) 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, 1246203820891 + ... + 1246203821248.

It is an arithmetic number, because the mean of its divisors is an integer number (112158343896300).

Almost surely, 2^{446140967942881} is an apocalyptic number.

It is an amenable number.

446140967942881 is a deficient number, since it is larger than the sum of its proper divisors (2492407642319).

446140967942881 is a wasteful number, since it uses less digits than its factorization.

446140967942881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492407642318.

The product of its (nonzero) digits is 668860416, while the sum is 73.

The spelling of 446140967942881 in words is "four hundred forty-six trillion, one hundred forty billion, nine hundred sixty-seven million, nine hundred forty-two thousand, eight hundred eighty-one".