395905175380 has 48 divisors (see below), whose sum is σ = 976750677504. Its totient is φ = 132891246720.

The previous prime is 395905175327. The next prime is 395905175381. The reversal of 395905175380 is 83571509593.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395905175381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69211332 + ... + 69217051.

It is an arithmetic number, because the mean of its divisors is an integer number (20348972448).

Almost surely, 2^395905175380 is an apocalyptic number.

It is an amenable number.

395905175380 is an abundant number, since it is smaller than the sum of its proper divisors (580845502124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

395905175380 is a wasteful number, since it uses less digits than its factorization.

395905175380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138428416 (or 138428414 counting only the distinct ones).

The product of its (nonzero) digits is 5103000, while the sum is 55.

The spelling of 395905175380 in words is "three hundred ninety-five billion, nine hundred five million, one hundred seventy-five thousand, three hundred eighty".