395344340874 has 48 divisors (see below), whose sum is σ = 1010526865920. Its totient is φ = 109311798240.

The previous prime is 395344340861. The next prime is 395344340879. The reversal of 395344340874 is 478043443593.

It is a happy number.

395344340874 is a `hidden beast` number, since 3 + 9 + 534 + 4 + 34 + 0 + 8 + 74 = 666.

395344340874 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×395344340874² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 395344340874.

It is not an unprimeable number, because it can be changed into a prime (395344340879) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50603409 + ... + 50611220.

It is an arithmetic number, because the mean of its divisors is an integer number (21052643040).

Almost surely, 2^395344340874 is an apocalyptic number.

395344340874 is an abundant number, since it is smaller than the sum of its proper divisors (615182525046).

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

395344340874 is a wasteful number, since it uses less digits than its factorization.

395344340874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101214675 (or 101214672 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 54.

The spelling of 395344340874 in words is "three hundred ninety-five billion, three hundred forty-four million, three hundred forty thousand, eight hundred seventy-four".