3305640040 has 32 divisors (see below), whose sum is σ = 7761070080. Its totient is φ = 1264766272.

The previous prime is 3305639993. The next prime is 3305640043. The reversal of 3305640040 is 400465033.

It is a junction number, because it is equal to n+sod(n) for n = 3305639987 and 3305640014.

It is not an unprimeable number, because it can be changed into a prime (3305640043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1795624 + ... + 1797463.

It is an arithmetic number, because the mean of its divisors is an integer number (242533440).

Almost surely, 2^3305640040 is an apocalyptic number.

It is an amenable number.

3305640040 is an abundant number, since it is smaller than the sum of its proper divisors (4455430040).

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

3305640040 is a wasteful number, since it uses less digits than its factorization.

3305640040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593121 (or 3593117 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 3305640040 is about 57494.6957553477. The cubic root of 3305640040 is about 1489.6532442339.

The spelling of 3305640040 in words is "three billion, three hundred five million, six hundred forty thousand, forty".