418494379816 has 16 divisors (see below), whose sum is σ = 784683986400. Its totient is φ = 209245316784.

The previous prime is 418494379789. The next prime is 418494379817. The reversal of 418494379816 is 618973494814.

It is a super-3 number, since 3×418494379816³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (418494379817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1330191 + ... + 1614433.

It is an arithmetic number, because the mean of its divisors is an integer number (49042749150).

Almost surely, 2^418494379816 is an apocalyptic number.

It is an amenable number.

418494379816 is a deficient number, since it is larger than the sum of its proper divisors (366189606584).

418494379816 is a wasteful number, since it uses less digits than its factorization.

418494379816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468288 (or 468284 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 64.

The spelling of 418494379816 in words is "four hundred eighteen billion, four hundred ninety-four million, three hundred seventy-nine thousand, eight hundred sixteen".