395158722002 has 54 divisors (see below), whose sum is σ = 692392539951. Its totient is φ = 168980739840.

The previous prime is 395158721941. The next prime is 395158722047. The reversal of 395158722002 is 200227851593.

It can be written as a sum of positive squares in 5 ways, for example, as 270952521961 + 124206200041 = 520531^2 + 352429^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=444499.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 166241438 + ... + 166243814.

Almost surely, 2^395158722002 is an apocalyptic number.

395158722002 is a deficient number, since it is larger than the sum of its proper divisors (297233817949).

395158722002 is an equidigital number, since it uses as much as digits as its factorization.

395158722002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812 (or 2407 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 395158722002 in words is "three hundred ninety-five billion, one hundred fifty-eight million, seven hundred twenty-two thousand, two".