418492709988 has 24 divisors (see below), whose sum is σ = 1000299649440. Its totient is φ = 136095190080.

The previous prime is 418492709981. The next prime is 418492709989. The reversal of 418492709988 is 889907294814.

It is a super-2 number, since 2×418492709988² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (418492709981) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 425296978 + ... + 425297961.

It is an arithmetic number, because the mean of its divisors is an integer number (41679152060).

Almost surely, 2^418492709988 is an apocalyptic number.

It is an amenable number.

418492709988 is an abundant number, since it is smaller than the sum of its proper divisors (581806939452).

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

418492709988 is a wasteful number, since it uses less digits than its factorization.

418492709988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850594987 (or 850594985 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 69.

The spelling of 418492709988 in words is "four hundred eighteen billion, four hundred ninety-two million, seven hundred nine thousand, nine hundred eighty-eight".