394610066454 has 32 divisors (see below), whose sum is σ = 831033936000. Its totient is φ = 124572320064.

The previous prime is 394610066441. The next prime is 394610066471. The reversal of 394610066454 is 454660016493.

It is a super-2 number, since 2×394610066454² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229119 + ... + 917450.

It is an arithmetic number, because the mean of its divisors is an integer number (25969810500).

Almost surely, 2^394610066454 is an apocalyptic number.

394610066454 is an abundant number, since it is smaller than the sum of its proper divisors (436423869546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

394610066454 is a wasteful number, since it uses less digits than its factorization.

394610066454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149612.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 394610066454 in words is "three hundred ninety-four billion, six hundred ten million, sixty-six thousand, four hundred fifty-four".