385326640413 has 96 divisors (see below), whose sum is σ = 667022952960. Its totient is φ = 211259664000.

The previous prime is 385326640411. The next prime is 385326640459. The reversal of 385326640413 is 314046623583.

385326640413 is a `hidden beast` number, since 3 + 8 + 532 + 66 + 40 + 4 + 13 = 666.

It is not a de Polignac number, because 385326640413 - 2¹ = 385326640411 is a prime.

It is a super-3 number, since 3×385326640413³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385326640411) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25126158 + ... + 25141488.

It is an arithmetic number, because the mean of its divisors is an integer number (6948155760).

Almost surely, 2^385326640413 is an apocalyptic number.

385326640413 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

385326640413 is a deficient number, since it is larger than the sum of its proper divisors (281696312547).

385326640413 is a wasteful number, since it uses less digits than its factorization.

385326640413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15751 (or 15748 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 385326640413 in words is "three hundred eighty-five billion, three hundred twenty-six million, six hundred forty thousand, four hundred thirteen".