4106667640 has 32 divisors (see below), whose sum is σ = 9296704080. Its totient is φ = 1632586752.

The previous prime is 4106667623. The next prime is 4106667667. The reversal of 4106667640 is 467666014.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 4106667593 and 4106667602.

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, 308409 + ... + 321448.

Almost surely, 2^4106667640 is an apocalyptic number.

4106667640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4106667640 is an abundant number, since it is smaller than the sum of its proper divisors (5190036440).

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

4106667640 is a wasteful number, since it uses less digits than its factorization.

4106667640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630031 (or 630027 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 4106667640 is about 64083.2867446731. The cubic root of 4106667640 is about 1601.3878115140.

The spelling of 4106667640 in words is "four billion, one hundred six million, six hundred sixty-seven thousand, six hundred forty".