2115040672 has 24 divisors (see below), whose sum is σ = 4165058016. Its totient is φ = 1057248192.

The previous prime is 2115040663. The next prime is 2115040709. The reversal of 2115040672 is 2760405112.

It is a super-3 number, since 3×2115040672³ (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2115040672.

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, 186723 + ... + 197725.

It is an arithmetic number, because the mean of its divisors is an integer number (173544084).

Almost surely, 2^2115040672 is an apocalyptic number.

It is an amenable number.

2115040672 is a deficient number, since it is larger than the sum of its proper divisors (2050017344).

2115040672 is a wasteful number, since it uses less digits than its factorization.

2115040672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17020 (or 17012 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2115040672 is about 45989.5713395983. The cubic root of 2115040672 is about 1283.6291602201.

Adding to 2115040672 its reverse (2760405112), we get a palindrome (4875445784).

The spelling of 2115040672 in words is "two billion, one hundred fifteen million, forty thousand, six hundred seventy-two".