395002273842 has 150 divisors (see below), whose sum is σ = 987616515039. Its totient is φ = 117911126520.

The previous prime is 395002273837. The next prime is 395002273843. The reversal of 395002273842 is 248372200593.

395002273842 is a `hidden beast` number, since 39 + 500 + 2 + 2 + 73 + 8 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 197501136921 + 197501136921 = 444411^2 + 444411^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=444411.

It is not an unprimeable number, because it can be changed into a prime (395002273843) by changing a digit.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 5895556293 + ... + 5895556359.

Almost surely, 2^395002273842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 395002273842

395002273842 is an abundant number, since it is smaller than the sum of its proper divisors (592614241197).

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

395002273842 is an frugal number, since it uses more digits than its factorization.

395002273842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 395002273842 in words is "three hundred ninety-five billion, two million, two hundred seventy-three thousand, eight hundred forty-two".