395440860490 has 32 divisors (see below), whose sum is σ = 791274226176. Its totient is φ = 141298966080.

The previous prime is 395440860461. The next prime is 395440860509. The reversal of 395440860490 is 94068044593.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 15 ways as a sum of consecutive naturals, for example, 49058112 + ... + 49066171.

It is an arithmetic number, because the mean of its divisors is an integer number (24727319568).

Almost surely, 2^395440860490 is an apocalyptic number.

395440860490 is an abundant number, since it is smaller than the sum of its proper divisors (395833365686).

395440860490 is a wasteful number, since it uses less digits than its factorization.

395440860490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98124334.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 395440860490 in words is "three hundred ninety-five billion, four hundred forty million, eight hundred sixty thousand, four hundred ninety".