421044452204045 has 16 divisors (see below), whose sum is σ = 534975079154688. Its totient is φ = 317021141249280.

The previous prime is 421044452204017. The next prime is 421044452204071. The reversal of 421044452204045 is 540402254440124.

It is not a de Polignac number, because 421044452204045 - 2¹² = 421044452199949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421044452203993 and 421044452204011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47192360 + ... + 55400430.

It is an arithmetic number, because the mean of its divisors is an integer number (33435942447168).

Almost surely, 2^{421044452204045} is an apocalyptic number.

It is an amenable number.

421044452204045 is a deficient number, since it is larger than the sum of its proper divisors (113930626950643).

421044452204045 is a wasteful number, since it uses less digits than its factorization.

421044452204045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8811580.

The product of its (nonzero) digits is 819200, while the sum is 41.

The spelling of 421044452204045 in words is "four hundred twenty-one trillion, forty-four billion, four hundred fifty-two million, two hundred four thousand, forty-five".