418006450690 has 64 divisors (see below), whose sum is σ = 816023600640. Its totient is φ = 153659842560.

The previous prime is 418006450681. The next prime is 418006450691. The reversal of 418006450690 is 96054600814.

It is a super-2 number, since 2×418006450690² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (418006450691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 801970 + ... + 1216210.

It is an arithmetic number, because the mean of its divisors is an integer number (12750368760).

Almost surely, 2^418006450690 is an apocalyptic number.

418006450690 is a deficient number, since it is larger than the sum of its proper divisors (398017149950).

418006450690 is a wasteful number, since it uses less digits than its factorization.

418006450690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414427.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 418006450690 in words is "four hundred eighteen billion, six million, four hundred fifty thousand, six hundred ninety".