385382640265157 has 8 divisors (see below), whose sum is σ = 408068064959256. Its totient is φ = 362698977528832.

The previous prime is 385382640265037. The next prime is 385382640265171. The reversal of 385382640265157 is 751562046283583.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 38485719986596 + 346896920278561 = 6203686^2 + 18625169^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 385382640265157 - 2³⁶ = 385313920788421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 385382640265093 and 385382640265102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385382640265177) 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, 440039108 + ... + 440914029.

It is an arithmetic number, because the mean of its divisors is an integer number (51008508119907).

Almost surely, 2^{385382640265157} is an apocalyptic number.

It is an amenable number.

385382640265157 is a deficient number, since it is larger than the sum of its proper divisors (22685424694099).

385382640265157 is a wasteful number, since it uses less digits than its factorization.

385382640265157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880978887.

The product of its (nonzero) digits is 290304000, while the sum is 65.

The spelling of 385382640265157 in words is "three hundred eighty-five trillion, three hundred eighty-two billion, six hundred forty million, two hundred sixty-five thousand, one hundred fifty-seven".