416640236646 has 16 divisors (see below), whose sum is σ = 844695275184. Its totient is φ = 136977611904.

The previous prime is 416640236627. The next prime is 416640236653. The reversal of 416640236646 is 646632046614.

It is a junction number, because it is equal to n+sod(n) for n = 416640236595 and 416640236604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475616271 + ... + 475617146.

It is an arithmetic number, because the mean of its divisors is an integer number (52793454699).

Almost surely, 2^416640236646 is an apocalyptic number.

416640236646 is an abundant number, since it is smaller than the sum of its proper divisors (428055038538).

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

416640236646 is a wasteful number, since it uses less digits than its factorization.

416640236646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951233495.

The product of its (nonzero) digits is 2985984, while the sum is 48.

The spelling of 416640236646 in words is "four hundred sixteen billion, six hundred forty million, two hundred thirty-six thousand, six hundred forty-six".