4347006640 has 40 divisors (see below), whose sum is σ = 10109741328. Its totient is φ = 1738295040.

The previous prime is 4347006617. The next prime is 4347006659. The reversal of 4347006640 is 466007434.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 4347006596 and 4347006605.

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, 394810 + ... + 405670.

Almost surely, 2^4347006640 is an apocalyptic number.

4347006640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4347006640 is an abundant number, since it is smaller than the sum of its proper divisors (5762734688).

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

4347006640 is a wasteful number, since it uses less digits than its factorization.

4347006640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15877 (or 15871 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 4347006640 is about 65931.8332825654. The cubic root of 4347006640 is about 1632.0373785973.

The spelling of 4347006640 in words is "four billion, three hundred forty-seven million, six thousand, six hundred forty".