3030309697640 has 16 divisors (see below), whose sum is σ = 6818196819780. Its totient is φ = 1212123879040.

The previous prime is 3030309697529. The next prime is 3030309697711. The reversal of 3030309697640 is 467969030303.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3028149864964 + 2159832676 = 1740158^2 + 46474^2 .

It is a super-2 number, since 2×3030309697640² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37878871181 + ... + 37878871260.

Almost surely, 2^{3030309697640} is an apocalyptic number.

It is an amenable number.

3030309697640 is an abundant number, since it is smaller than the sum of its proper divisors (3787887122140).

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

3030309697640 is a wasteful number, since it uses less digits than its factorization.

3030309697640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75757742452 (or 75757742448 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 50.

The spelling of 3030309697640 in words is "three trillion, thirty billion, three hundred nine million, six hundred ninety-seven thousand, six hundred forty".