394610536490 has 32 divisors (see below), whose sum is σ = 714091023360. Its totient is φ = 157001955264.

The previous prime is 394610536447. The next prime is 394610536577. The reversal of 394610536490 is 94635016493.

It is a happy number.

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, 8169149 + ... + 8217311.

It is an arithmetic number, because the mean of its divisors is an integer number (22315344480).

Almost surely, 2^394610536490 is an apocalyptic number.

394610536490 is a deficient number, since it is larger than the sum of its proper divisors (319480486870).

394610536490 is a wasteful number, since it uses less digits than its factorization.

394610536490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52526.

The product of its (nonzero) digits is 2099520, while the sum is 50.

The spelling of 394610536490 in words is "three hundred ninety-four billion, six hundred ten million, five hundred thirty-six thousand, four hundred ninety".