385828265401 has 4 divisors (see below), whose sum is σ = 385973480052. Its totient is φ = 385683050752.

The previous prime is 385828265359. The next prime is 385828265419. The reversal of 385828265401 is 104562828583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104562828583 = 9923 ⋅10537421.

It can be written as a sum of positive squares in 2 ways, for example, as 337241525625 + 48586739776 = 580725^2 + 220424^2 .

It is a cyclic number.

It is not a de Polignac number, because 385828265401 - 2¹³ = 385828257209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385828265441) 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, 72603340 + ... + 72608653.

It is an arithmetic number, because the mean of its divisors is an integer number (96493370013).

Almost surely, 2^385828265401 is an apocalyptic number.

It is an amenable number.

385828265401 is a deficient number, since it is larger than the sum of its proper divisors (145214651).

385828265401 is a wasteful number, since it uses less digits than its factorization.

385828265401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145214650.

The product of its (nonzero) digits is 3686400, while the sum is 52.

The spelling of 385828265401 in words is "three hundred eighty-five billion, eight hundred twenty-eight million, two hundred sixty-five thousand, four hundred one".