418344971418 has 144 divisors (see below), whose sum is σ = 1029882916608. Its totient is φ = 122510361600.

The previous prime is 418344971351. The next prime is 418344971431. The reversal of 418344971418 is 814179443814.

418344971418 is a `hidden beast` number, since 4 + 1 + 8 + 3 + 4 + 497 + 141 + 8 = 666.

It is a super-2 number, since 2×418344971418² (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 71 ways as a sum of consecutive naturals, for example, 53132730 + ... + 53140602.

Almost surely, 2^418344971418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 418344971418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514941458304).

418344971418 is an abundant number, since it is smaller than the sum of its proper divisors (611537945190).

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

418344971418 is a wasteful number, since it uses less digits than its factorization.

418344971418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8721 (or 8707 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The spelling of 418344971418 in words is "four hundred eighteen billion, three hundred forty-four million, nine hundred seventy-one thousand, four hundred eighteen".