395690687090 has 32 divisors (see below), whose sum is σ = 758088336384. Its totient is φ = 148185967360.

The previous prime is 395690687081. The next prime is 395690687159. The reversal of 395690687090 is 90786096593.

It is a super-2 number, since 2×395690687090² (a number of 24 digits) contains 22 as substring.

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, 6060704 + ... + 6125643.

It is an arithmetic number, because the mean of its divisors is an integer number (23690260512).

Almost surely, 2^395690687090 is an apocalyptic number.

395690687090 is a deficient number, since it is larger than the sum of its proper divisors (362397649294).

395690687090 is a wasteful number, since it uses less digits than its factorization.

395690687090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12186562.

The product of its (nonzero) digits is 22044960, while the sum is 62.

The spelling of 395690687090 in words is "three hundred ninety-five billion, six hundred ninety million, six hundred eighty-seven thousand, ninety".