385273881016805 has 64 divisors (see below), whose sum is σ = 531201346790400. Its totient is φ = 265303087096320.

The previous prime is 385273881016769. The next prime is 385273881016837. The reversal of 385273881016805 is 508610188372583.

It is not a de Polignac number, because 385273881016805 - 2⁴⁰ = 384174369389029 is a prime.

It is a super-2 number, since 2×385273881016805² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24948116414 + ... + 24948131856.

It is an arithmetic number, because the mean of its divisors is an integer number (8300021043600).

Almost surely, 2^{385273881016805} is an apocalyptic number.

It is an amenable number.

385273881016805 is a deficient number, since it is larger than the sum of its proper divisors (145927465773595).

385273881016805 is a wasteful number, since it uses less digits than its factorization.

385273881016805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27314.

The product of its (nonzero) digits is 77414400, while the sum is 65.

The spelling of 385273881016805 in words is "three hundred eighty-five trillion, two hundred seventy-three billion, eight hundred eighty-one million, sixteen thousand, eight hundred five".