421044055320506 has 16 divisors (see below), whose sum is σ = 632927642822880. Its totient is φ = 210068413193520.

The previous prime is 421044055320467. The next prime is 421044055320509. The reversal of 421044055320506 is 605023550440124.

It is not an unprimeable number, because it can be changed into a prime (421044055320509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56175356 + ... + 63227831.

It is an arithmetic number, because the mean of its divisors is an integer number (39557977676430).

Almost surely, 2^{421044055320506} is an apocalyptic number.

421044055320506 is a deficient number, since it is larger than the sum of its proper divisors (211883587502374).

421044055320506 is a wasteful number, since it uses less digits than its factorization.

421044055320506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119406989.

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 421044055320506 in words is "four hundred twenty-one trillion, forty-four billion, fifty-five million, three hundred twenty thousand, five hundred six".