3147016240 has 20 divisors (see below), whose sum is σ = 7316812944. Its totient is φ = 1258806464.

The previous prime is 3147016219. The next prime is 3147016333. The reversal of 3147016240 is 426107413.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×3147016240² = 19807422429647475200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3147016199 and 3147016208.

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, 19668772 + ... + 19668931.

Almost surely, 2^3147016240 is an apocalyptic number.

It is an amenable number.

3147016240 is an abundant number, since it is smaller than the sum of its proper divisors (4169796704).

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

3147016240 is a wasteful number, since it uses less digits than its factorization.

3147016240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39337716 (or 39337710 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 3147016240 is about 56098.2730571985. The cubic root of 3147016240 is about 1465.4342176400.

The spelling of 3147016240 in words is "three billion, one hundred forty-seven million, sixteen thousand, two hundred forty".