6147640408 has 32 divisors (see below), whose sum is σ = 14186864160. Its totient is φ = 2432033280.

The previous prime is 6147640403. The next prime is 6147640481. The reversal of 6147640408 is 8040467416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6147640403) by changing a digit.

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, 4221553 + ... + 4223008.

It is an arithmetic number, because the mean of its divisors is an integer number (443339505).

Almost surely, 2^6147640408 is an apocalyptic number.

It is an amenable number.

6147640408 is an abundant number, since it is smaller than the sum of its proper divisors (8039223752).

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

6147640408 is a wasteful number, since it uses less digits than its factorization.

6147640408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8444587 (or 8444583 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 6147640408 is about 78406.8900543823. The cubic root of 6147640408 is about 1831.9044551088.

The spelling of 6147640408 in words is "six billion, one hundred forty-seven million, six hundred forty thousand, four hundred eight".