406513101218 has 16 divisors (see below), whose sum is σ = 701966317824. Its totient is φ = 172948221600.

The previous prime is 406513101199. The next prime is 406513101223. The reversal of 406513101218 is 812101315604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105971258 + ... + 105975093.

It is an arithmetic number, because the mean of its divisors is an integer number (43872894864).

Almost surely, 2^406513101218 is an apocalyptic number.

406513101218 is a deficient number, since it is larger than the sum of its proper divisors (295453216606).

406513101218 is a wasteful number, since it uses less digits than its factorization.

406513101218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211946497.

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 406513101218 in words is "four hundred six billion, five hundred thirteen million, one hundred one thousand, two hundred eighteen".