395497766586490 has 32 divisors (see below), whose sum is σ = 713319591749760. Its totient is φ = 157882770222144.

The previous prime is 395497766586473. The next prime is 395497766586553. The reversal of 395497766586490 is 94685667794593.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145463907 + ... + 148157833.

It is an arithmetic number, because the mean of its divisors is an integer number (22291237242180).

Almost surely, 2^{395497766586490} is an apocalyptic number.

395497766586490 is a deficient number, since it is larger than the sum of its proper divisors (317821825163270).

395497766586490 is a wasteful number, since it uses less digits than its factorization.

395497766586490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2723286.

The product of its (nonzero) digits is 74071065600, while the sum is 88.

The spelling of 395497766586490 in words is "three hundred ninety-five trillion, four hundred ninety-seven billion, seven hundred sixty-six million, five hundred eighty-six thousand, four hundred ninety".